645244702

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{641}}^1$

素因数の和:964

約数の個数: 32

約数和(自身を含む): 1016434944

約数和(自身を除く): 371190242

約数列:

[1, 2, 37, 61, 74, 122, 223, 446, 641, 1282, 2257, 4514, 8251, 13603, 16502, 23717, 27206, 39101, 47434, 78202, 142943, 285886, 503311, 1006622, 1446737, 2893474, 5288891, 8719523, 10577782, 17439046, 322622351, 645244702]

約数ペア:

[(1, 645244702), (2, 322622351), (37, 17439046), (61, 10577782), (74, 8719523), (122, 5288891), (223, 2893474), (446, 1446737), (641, 1006622), (1282, 503311), (2257, 285886), (4514, 142943), (8251, 78202), (13603, 47434), (16502, 39101), (23717, 27206)]