256870793528

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{1129}}^1\times {\mathrm{2293}}^1$

素因数の和:3664

約数の個数: 64

約数和(自身を含む): 491484912000

約数和(自身を除く): 234614118472

約数列:

[1, 2, 4, 8, 79, 157, 158, 314, 316, 628, 632, 1129, 1256, 2258, 2293, 4516, 4586, 9032, 9172, 12403, 18344, 24806, 49612, 89191, 99224, 177253, 178382, 181147, 354506, 356764, 360001, 362294, 709012, 713528, 720002, 724588, 1418024, 1440004, 1449176, 2588797, 2880008, 5177594, 10355188, 14002987, 20710376, 28005974, 28440079, 56011948, 56880158, 112023896, 113760316, 204514963, 227520632, 406441129, 409029926, 812882258, 818059852, 1625764516, 1636119704, 3251529032, 32108849191, 64217698382, 128435396764, 256870793528]

約数ペア:

[(1, 256870793528), (2, 128435396764), (4, 64217698382), (8, 32108849191), (79, 3251529032), (157, 1636119704), (158, 1625764516), (314, 818059852), (316, 812882258), (628, 409029926), (632, 406441129), (1129, 227520632), (1256, 204514963), (2258, 113760316), (2293, 112023896), (4516, 56880158), (4586, 56011948), (9032, 28440079), (9172, 28005974), (12403, 20710376), (18344, 14002987), (24806, 10355188), (49612, 5177594), (89191, 2880008), (99224, 2588797), (177253, 1449176), (178382, 1440004), (181147, 1418024), (354506, 724588), (356764, 720002), (360001, 713528), (362294, 709012)]