205991408

素因数分解:

$2^4\times 7^1\times {\mathrm{29}}^1\times {\mathrm{63421}}^1$

素因数の和:63465

約数の個数: 40

約数和(自身を含む): 471859680

約数和(自身を除く): 265868272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 56, 58, 112, 116, 203, 232, 406, 464, 812, 1624, 3248, 63421, 126842, 253684, 443947, 507368, 887894, 1014736, 1775788, 1839209, 3551576, 3678418, 7103152, 7356836, 12874463, 14713672, 25748926, 29427344, 51497852, 102995704, 205991408]

約数ペア:

[(1, 205991408), (2, 102995704), (4, 51497852), (7, 29427344), (8, 25748926), (14, 14713672), (16, 12874463), (28, 7356836), (29, 7103152), (56, 3678418), (58, 3551576), (112, 1839209), (116, 1775788), (203, 1014736), (232, 887894), (406, 507368), (464, 443947), (812, 253684), (1624, 126842), (3248, 63421)]