31081830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79697}}^1$

素因数の和:79720

約数の個数: 32

約数和(自身を含む): 80335584

約数和(自身を除く): 49253754

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 79697, 159394, 239091, 398485, 478182, 796970, 1036061, 1195455, 2072122, 2390910, 3108183, 5180305, 6216366, 10360610, 15540915, 31081830]

約数ペア:

[(1, 31081830), (2, 15540915), (3, 10360610), (5, 6216366), (6, 5180305), (10, 3108183), (13, 2390910), (15, 2072122), (26, 1195455), (30, 1036061), (39, 796970), (65, 478182), (78, 398485), (130, 239091), (195, 159394), (390, 79697)]