31287152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 65620800

約数和(自身を除く): 34333648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 349, 431, 698, 862, 1396, 1724, 2792, 3448, 4537, 5584, 5603, 6896, 9074, 11206, 18148, 22412, 36296, 44824, 72592, 89648, 150419, 300838, 601676, 1203352, 1955447, 2406704, 3910894, 7821788, 15643576, 31287152]

約数ペア:

[(1, 31287152), (2, 15643576), (4, 7821788), (8, 3910894), (13, 2406704), (16, 1955447), (26, 1203352), (52, 601676), (104, 300838), (208, 150419), (349, 89648), (431, 72592), (698, 44824), (862, 36296), (1396, 22412), (1724, 18148), (2792, 11206), (3448, 9074), (4537, 6896), (5584, 5603)]