2021570416

素因数分解:

$2^4\times {\mathrm{439}}^1\times {\mathrm{449}}^1\times {\mathrm{641}}^1$

素因数の和:1537

約数の個数: 40

約数和(自身を含む): 3940596000

約数和(自身を除く): 1919025584

約数列:

[1, 2, 4, 8, 16, 439, 449, 641, 878, 898, 1282, 1756, 1796, 2564, 3512, 3592, 5128, 7024, 7184, 10256, 197111, 281399, 287809, 394222, 562798, 575618, 788444, 1125596, 1151236, 1576888, 2251192, 2302472, 3153776, 4502384, 4604944, 126348151, 252696302, 505392604, 1010785208, 2021570416]

約数ペア:

[(1, 2021570416), (2, 1010785208), (4, 505392604), (8, 252696302), (16, 126348151), (439, 4604944), (449, 4502384), (641, 3153776), (878, 2302472), (898, 2251192), (1282, 1576888), (1756, 1151236), (1796, 1125596), (2564, 788444), (3512, 575618), (3592, 562798), (5128, 394222), (7024, 287809), (7184, 281399), (10256, 197111)]