1639776970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{213791}}^1$

素因数の和:213870

約数の個数: 32

約数和(自身を含む): 3232535040

約数和(自身を除く): 1592758070

約数列:

[1, 2, 5, 10, 13, 26, 59, 65, 118, 130, 295, 590, 767, 1534, 3835, 7670, 213791, 427582, 1068955, 2137910, 2779283, 5558566, 12613669, 13896415, 25227338, 27792830, 63068345, 126136690, 163977697, 327955394, 819888485, 1639776970]

約数ペア:

[(1, 1639776970), (2, 819888485), (5, 327955394), (10, 163977697), (13, 126136690), (26, 63068345), (59, 27792830), (65, 25227338), (118, 13896415), (130, 12613669), (295, 5558566), (590, 2779283), (767, 2137910), (1534, 1068955), (3835, 427582), (7670, 213791)]