31920238

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:544

約数の個数: 32

約数和(自身を含む): 56448000

約数和(自身を除く): 24527762

約数列:

[1, 2, 7, 14, 47, 94, 139, 278, 329, 349, 658, 698, 973, 1946, 2443, 4886, 6533, 13066, 16403, 32806, 45731, 48511, 91462, 97022, 114821, 229642, 339577, 679154, 2280017, 4560034, 15960119, 31920238]

約数ペア:

[(1, 31920238), (2, 15960119), (7, 4560034), (14, 2280017), (47, 679154), (94, 339577), (139, 229642), (278, 114821), (329, 97022), (349, 91462), (658, 48511), (698, 45731), (973, 32806), (1946, 16403), (2443, 13066), (4886, 6533)]