31788978

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3739}}^1$

素因数の和:3866

約数の個数: 32

約数和(自身を含む): 69115200

約数和(自身を除く): 37326222

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 218, 327, 654, 1417, 2834, 3739, 4251, 7478, 8502, 11217, 22434, 48607, 97214, 145821, 291642, 407551, 815102, 1222653, 2445306, 5298163, 10596326, 15894489, 31788978]

約数ペア:

[(1, 31788978), (2, 15894489), (3, 10596326), (6, 5298163), (13, 2445306), (26, 1222653), (39, 815102), (78, 407551), (109, 291642), (218, 145821), (327, 97214), (654, 48607), (1417, 22434), (2834, 11217), (3739, 8502), (4251, 7478)]