1285408384

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{227}}^1$

素因数の和:378

約数の個数: 128

約数和(自身を含む): 2871650880

約数和(自身を除く): 1586242496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 83, 104, 128, 164, 166, 208, 227, 328, 332, 416, 454, 533, 656, 664, 832, 908, 1066, 1079, 1312, 1328, 1664, 1816, 2132, 2158, 2624, 2656, 2951, 3403, 3632, 4264, 4316, 5248, 5312, 5902, 6806, 7264, 8528, 8632, 9307, 10624, 11804, 13612, 14528, 17056, 17264, 18614, 18841, 23608, 27224, 29056, 34112, 34528, 37228, 37682, 44239, 47216, 54448, 68224, 69056, 74456, 75364, 88478, 94432, 108896, 120991, 138112, 148912, 150728, 176956, 188864, 217792, 241982, 244933, 297824, 301456, 353912, 377728, 435584, 483964, 489866, 595648, 602912, 707824, 772481, 967928, 979732, 1191296, 1205824, 1415648, 1544962, 1935856, 1959464, 2411648, 2831296, 3089924, 3871712, 3918928, 5662592, 6179848, 7743424, 7837856, 10042253, 12359696, 15486848, 15675712, 20084506, 24719392, 31351424, 40169012, 49438784, 80338024, 98877568, 160676048, 321352096, 642704192, 1285408384]

約数ペア:

[(1, 1285408384), (2, 642704192), (4, 321352096), (8, 160676048), (13, 98877568), (16, 80338024), (26, 49438784), (32, 40169012), (41, 31351424), (52, 24719392), (64, 20084506), (82, 15675712), (83, 15486848), (104, 12359696), (128, 10042253), (164, 7837856), (166, 7743424), (208, 6179848), (227, 5662592), (328, 3918928), (332, 3871712), (416, 3089924), (454, 2831296), (533, 2411648), (656, 1959464), (664, 1935856), (832, 1544962), (908, 1415648), (1066, 1205824), (1079, 1191296), (1312, 979732), (1328, 967928), (1664, 772481), (1816, 707824), (2132, 602912), (2158, 595648), (2624, 489866), (2656, 483964), (2951, 435584), (3403, 377728), (3632, 353912), (4264, 301456), (4316, 297824), (5248, 244933), (5312, 241982), (5902, 217792), (6806, 188864), (7264, 176956), (8528, 150728), (8632, 148912), (9307, 138112), (10624, 120991), (11804, 108896), (13612, 94432), (14528, 88478), (17056, 75364), (17264, 74456), (18614, 69056), (18841, 68224), (23608, 54448), (27224, 47216), (29056, 44239), (34112, 37682), (34528, 37228)]