989161888

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 2492743680

約数和(自身を除く): 1503581792

約数列:

[1, 2, 4, 8, 11, 13, 16, 19, 22, 26, 31, 32, 38, 44, 52, 62, 76, 88, 104, 124, 143, 152, 176, 208, 209, 247, 248, 286, 304, 341, 352, 367, 403, 416, 418, 494, 496, 572, 589, 608, 682, 734, 806, 836, 988, 992, 1144, 1178, 1364, 1468, 1612, 1672, 1976, 2288, 2356, 2717, 2728, 2936, 3224, 3344, 3952, 4037, 4433, 4576, 4712, 4771, 5434, 5456, 5872, 6448, 6479, 6688, 6973, 7657, 7904, 8074, 8866, 9424, 9542, 10868, 10912, 11377, 11744, 12896, 12958, 13946, 15314, 16148, 17732, 18848, 19084, 21736, 22754, 25916, 27892, 30628, 32296, 35464, 38168, 43472, 45508, 51832, 52481, 55784, 61256, 64592, 70928, 76336, 76703, 84227, 86944, 90649, 91016, 103664, 104962, 111568, 122512, 125147, 129184, 141856, 147901, 152672, 153406, 168454, 181298, 182032, 207328, 209924, 216163, 223136, 245024, 250294, 295802, 306812, 336908, 362596, 364064, 419848, 432326, 500588, 591604, 613624, 673816, 725192, 839696, 864652, 997139, 1001176, 1183208, 1227248, 1347632, 1450384, 1626911, 1679392, 1729304, 1994278, 2002352, 2366416, 2377793, 2454496, 2695264, 2810119, 2900768, 3253822, 3458608, 3988556, 4004704, 4732832, 4755586, 5620238, 6507644, 6917216, 7977112, 9511172, 11240476, 13015288, 15954224, 19022344, 22480952, 26030576, 30911309, 31908448, 38044688, 44961904, 52061152, 61822618, 76089376, 89923808, 123645236, 247290472, 494580944, 989161888]

約数ペア:

[(1, 989161888), (2, 494580944), (4, 247290472), (8, 123645236), (11, 89923808), (13, 76089376), (16, 61822618), (19, 52061152), (22, 44961904), (26, 38044688), (31, 31908448), (32, 30911309), (38, 26030576), (44, 22480952), (52, 19022344), (62, 15954224), (76, 13015288), (88, 11240476), (104, 9511172), (124, 7977112), (143, 6917216), (152, 6507644), (176, 5620238), (208, 4755586), (209, 4732832), (247, 4004704), (248, 3988556), (286, 3458608), (304, 3253822), (341, 2900768), (352, 2810119), (367, 2695264), (403, 2454496), (416, 2377793), (418, 2366416), (494, 2002352), (496, 1994278), (572, 1729304), (589, 1679392), (608, 1626911), (682, 1450384), (734, 1347632), (806, 1227248), (836, 1183208), (988, 1001176), (992, 997139), (1144, 864652), (1178, 839696), (1364, 725192), (1468, 673816), (1612, 613624), (1672, 591604), (1976, 500588), (2288, 432326), (2356, 419848), (2717, 364064), (2728, 362596), (2936, 336908), (3224, 306812), (3344, 295802), (3952, 250294), (4037, 245024), (4433, 223136), (4576, 216163), (4712, 209924), (4771, 207328), (5434, 182032), (5456, 181298), (5872, 168454), (6448, 153406), (6479, 152672), (6688, 147901), (6973, 141856), (7657, 129184), (7904, 125147), (8074, 122512), (8866, 111568), (9424, 104962), (9542, 103664), (10868, 91016), (10912, 90649), (11377, 86944), (11744, 84227), (12896, 76703), (12958, 76336), (13946, 70928), (15314, 64592), (16148, 61256), (17732, 55784), (18848, 52481), (19084, 51832), (21736, 45508), (22754, 43472), (25916, 38168), (27892, 35464), (30628, 32296)]