1285455856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{9859}}^1$

素因数の和:10177

約数の個数: 40

約数和(自身を含む): 2585883600

約数和(自身を除く): 1300427744

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 281, 464, 562, 1124, 2248, 4496, 8149, 9859, 16298, 19718, 32596, 39436, 65192, 78872, 130384, 157744, 285911, 571822, 1143644, 2287288, 2770379, 4574576, 5540758, 11081516, 22163032, 44326064, 80340991, 160681982, 321363964, 642727928, 1285455856]

約数ペア:

[(1, 1285455856), (2, 642727928), (4, 321363964), (8, 160681982), (16, 80340991), (29, 44326064), (58, 22163032), (116, 11081516), (232, 5540758), (281, 4574576), (464, 2770379), (562, 2287288), (1124, 1143644), (2248, 571822), (4496, 285911), (8149, 157744), (9859, 130384), (16298, 78872), (19718, 65192), (32596, 39436)]