129659660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{498691}}^1$

素因数の和:498713

約数の個数: 24

約数和(自身を含む): 293230896

約数和(自身を除く): 163571236

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 498691, 997382, 1994764, 2493455, 4986910, 6482983, 9973820, 12965966, 25931932, 32414915, 64829830, 129659660]

約数ペア:

[(1, 129659660), (2, 64829830), (4, 32414915), (5, 25931932), (10, 12965966), (13, 9973820), (20, 6482983), (26, 4986910), (52, 2493455), (65, 1994764), (130, 997382), (260, 498691)]