31278858

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:423

約数の個数: 48

約数和(自身を含む): 68603040

約数和(自身を除く): 37324182

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 169, 218, 283, 327, 338, 507, 566, 654, 849, 1014, 1417, 1698, 2834, 3679, 4251, 7358, 8502, 11037, 18421, 22074, 30847, 36842, 47827, 55263, 61694, 92541, 95654, 110526, 143481, 185082, 286962, 401011, 802022, 1203033, 2406066, 5213143, 10426286, 15639429, 31278858]

約数ペア:

[(1, 31278858), (2, 15639429), (3, 10426286), (6, 5213143), (13, 2406066), (26, 1203033), (39, 802022), (78, 401011), (109, 286962), (169, 185082), (218, 143481), (283, 110526), (327, 95654), (338, 92541), (507, 61694), (566, 55263), (654, 47827), (849, 36842), (1014, 30847), (1417, 22074), (1698, 18421), (2834, 11037), (3679, 8502), (4251, 7358)]