1981143059

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{64279}}^1$

素因数の和:64347

約数の個数: 24

約数和(自身を含む): 2506148640

約数和(自身を除く): 525005581

約数列:

[1, 7, 17, 37, 49, 119, 259, 629, 833, 1813, 4403, 30821, 64279, 449953, 1092743, 2378323, 3149671, 7649201, 16648261, 40431491, 53544407, 116537827, 283020437, 1981143059]

約数ペア:

[(1, 1981143059), (7, 283020437), (17, 116537827), (37, 53544407), (49, 40431491), (119, 16648261), (259, 7649201), (629, 3149671), (833, 2378323), (1813, 1092743), (4403, 449953), (30821, 64279)]