636690152

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:359

約数の個数: 128

約数和(自身を含む): 1505280000

約数和(自身を除く): 868589848

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 97, 124, 133, 152, 194, 199, 217, 248, 266, 388, 398, 434, 532, 589, 679, 776, 796, 868, 1064, 1178, 1358, 1393, 1592, 1736, 1843, 2356, 2716, 2786, 3007, 3686, 3781, 4123, 4712, 5432, 5572, 6014, 6169, 7372, 7562, 8246, 11144, 12028, 12338, 12901, 14744, 15124, 16492, 19303, 21049, 24056, 24676, 25802, 26467, 30248, 32984, 38606, 42098, 43183, 49352, 51604, 52934, 57133, 77212, 84196, 86366, 103208, 105868, 114266, 117211, 135121, 154424, 168392, 172732, 211736, 228532, 234422, 270242, 345464, 366757, 399931, 457064, 468844, 540484, 598393, 733514, 799862, 820477, 937688, 1080968, 1196786, 1467028, 1599724, 1640954, 2393572, 2567299, 2934056, 3199448, 3281908, 4188751, 4787144, 5134598, 6563816, 8377502, 10269196, 11369467, 16755004, 20538392, 22738934, 33510008, 45477868, 79586269, 90955736, 159172538, 318345076, 636690152]

約数ペア:

[(1, 636690152), (2, 318345076), (4, 159172538), (7, 90955736), (8, 79586269), (14, 45477868), (19, 33510008), (28, 22738934), (31, 20538392), (38, 16755004), (56, 11369467), (62, 10269196), (76, 8377502), (97, 6563816), (124, 5134598), (133, 4787144), (152, 4188751), (194, 3281908), (199, 3199448), (217, 2934056), (248, 2567299), (266, 2393572), (388, 1640954), (398, 1599724), (434, 1467028), (532, 1196786), (589, 1080968), (679, 937688), (776, 820477), (796, 799862), (868, 733514), (1064, 598393), (1178, 540484), (1358, 468844), (1393, 457064), (1592, 399931), (1736, 366757), (1843, 345464), (2356, 270242), (2716, 234422), (2786, 228532), (3007, 211736), (3686, 172732), (3781, 168392), (4123, 154424), (4712, 135121), (5432, 117211), (5572, 114266), (6014, 105868), (6169, 103208), (7372, 86366), (7562, 84196), (8246, 77212), (11144, 57133), (12028, 52934), (12338, 51604), (12901, 49352), (14744, 43183), (15124, 42098), (16492, 38606), (19303, 32984), (21049, 30248), (24056, 26467), (24676, 25802)]