778814660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1013}}^1\times {\mathrm{2957}}^1$

素因数の和:3992

約数の個数: 48

約数和(自身を含む): 1763654256

約数和(自身を除く): 984839596

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1013, 2026, 2957, 4052, 5065, 5914, 10130, 11828, 13169, 14785, 20260, 26338, 29570, 38441, 52676, 59140, 65845, 76882, 131690, 153764, 192205, 263380, 384410, 768820, 2995441, 5990882, 11981764, 14977205, 29954410, 38940733, 59908820, 77881466, 155762932, 194703665, 389407330, 778814660]

約数ペア:

[(1, 778814660), (2, 389407330), (4, 194703665), (5, 155762932), (10, 77881466), (13, 59908820), (20, 38940733), (26, 29954410), (52, 14977205), (65, 11981764), (130, 5990882), (260, 2995441), (1013, 768820), (2026, 384410), (2957, 263380), (4052, 192205), (5065, 153764), (5914, 131690), (10130, 76882), (11828, 65845), (13169, 59140), (14785, 52676), (20260, 38441), (26338, 29570)]