281265816

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2791}}^1$

素因数の和:2849

約数の個数: 128

約数和(自身を含む): 844300800

約数和(自身を除く): 563034984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 19, 24, 26, 34, 38, 39, 51, 52, 57, 68, 76, 78, 102, 104, 114, 136, 152, 156, 204, 221, 228, 247, 312, 323, 408, 442, 456, 494, 646, 663, 741, 884, 969, 988, 1292, 1326, 1482, 1768, 1938, 1976, 2584, 2652, 2791, 2964, 3876, 4199, 5304, 5582, 5928, 7752, 8373, 8398, 11164, 12597, 16746, 16796, 22328, 25194, 33492, 33592, 36283, 47447, 50388, 53029, 66984, 72566, 94894, 100776, 106058, 108849, 142341, 145132, 159087, 189788, 212116, 217698, 284682, 290264, 318174, 379576, 424232, 435396, 569364, 616811, 636348, 689377, 870792, 901493, 1138728, 1233622, 1272696, 1378754, 1802986, 1850433, 2068131, 2467244, 2704479, 2757508, 3605972, 3700866, 4136262, 4934488, 5408958, 5515016, 7211944, 7401732, 8272524, 10817916, 11719409, 14803464, 16545048, 21635832, 23438818, 35158227, 46877636, 70316454, 93755272, 140632908, 281265816]

約数ペア:

[(1, 281265816), (2, 140632908), (3, 93755272), (4, 70316454), (6, 46877636), (8, 35158227), (12, 23438818), (13, 21635832), (17, 16545048), (19, 14803464), (24, 11719409), (26, 10817916), (34, 8272524), (38, 7401732), (39, 7211944), (51, 5515016), (52, 5408958), (57, 4934488), (68, 4136262), (76, 3700866), (78, 3605972), (102, 2757508), (104, 2704479), (114, 2467244), (136, 2068131), (152, 1850433), (156, 1802986), (204, 1378754), (221, 1272696), (228, 1233622), (247, 1138728), (312, 901493), (323, 870792), (408, 689377), (442, 636348), (456, 616811), (494, 569364), (646, 435396), (663, 424232), (741, 379576), (884, 318174), (969, 290264), (988, 284682), (1292, 217698), (1326, 212116), (1482, 189788), (1768, 159087), (1938, 145132), (1976, 142341), (2584, 108849), (2652, 106058), (2791, 100776), (2964, 94894), (3876, 72566), (4199, 66984), (5304, 53029), (5582, 50388), (5928, 47447), (7752, 36283), (8373, 33592), (8398, 33492), (11164, 25194), (12597, 22328), (16746, 16796)]