280989872

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{3121}}^1$

素因数の和:3477

約数の個数: 40

約数和(自身を含む): 578369232

約数和(自身を除く): 297379360

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 331, 662, 1324, 2648, 3121, 5296, 5627, 6242, 11254, 12484, 22508, 24968, 45016, 49936, 53057, 90032, 106114, 212228, 424456, 848912, 1033051, 2066102, 4132204, 8264408, 16528816, 17561867, 35123734, 70247468, 140494936, 280989872]

約数ペア:

[(1, 280989872), (2, 140494936), (4, 70247468), (8, 35123734), (16, 17561867), (17, 16528816), (34, 8264408), (68, 4132204), (136, 2066102), (272, 1033051), (331, 848912), (662, 424456), (1324, 212228), (2648, 106114), (3121, 90032), (5296, 53057), (5627, 49936), (6242, 45016), (11254, 24968), (12484, 22508)]