636705488

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1171}}^1\times {\mathrm{1999}}^1$

素因数の和:3195

約数の個数: 40

約数和(自身を含む): 1307952000

約数和(自身を除く): 671246512

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1171, 1999, 2342, 3998, 4684, 7996, 9368, 15992, 18736, 19907, 31984, 33983, 39814, 67966, 79628, 135932, 159256, 271864, 318512, 543728, 2340829, 4681658, 9363316, 18726632, 37453264, 39794093, 79588186, 159176372, 318352744, 636705488]

約数ペア:

[(1, 636705488), (2, 318352744), (4, 159176372), (8, 79588186), (16, 39794093), (17, 37453264), (34, 18726632), (68, 9363316), (136, 4681658), (272, 2340829), (1171, 543728), (1999, 318512), (2342, 271864), (3998, 159256), (4684, 135932), (7996, 79628), (9368, 67966), (15992, 39814), (18736, 33983), (19907, 31984)]