31399212

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{467}}^1$

素因数の和:918

約数の個数: 48

約数和(自身を含む): 79252992

約数和(自身を除く): 47853780

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 431, 467, 862, 934, 1293, 1401, 1724, 1868, 2586, 2802, 5172, 5603, 5604, 6071, 11206, 12142, 16809, 18213, 22412, 24284, 33618, 36426, 67236, 72852, 201277, 402554, 603831, 805108, 1207662, 2415324, 2616601, 5233202, 7849803, 10466404, 15699606, 31399212]

約数ペア:

[(1, 31399212), (2, 15699606), (3, 10466404), (4, 7849803), (6, 5233202), (12, 2616601), (13, 2415324), (26, 1207662), (39, 805108), (52, 603831), (78, 402554), (156, 201277), (431, 72852), (467, 67236), (862, 36426), (934, 33618), (1293, 24284), (1401, 22412), (1724, 18213), (1868, 16809), (2586, 12142), (2802, 11206), (5172, 6071), (5603, 5604)]