355207970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{16763}}^1$

素因数の和:16946

約数の個数: 32

約数和(自身を含む): 692822592

約数和(自身を除く): 337614622

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 4238, 10595, 16763, 21190, 33526, 83815, 167630, 217919, 435838, 1089595, 2179190, 2732369, 5464738, 13661845, 27323690, 35520797, 71041594, 177603985, 355207970]

約数ペア:

[(1, 355207970), (2, 177603985), (5, 71041594), (10, 35520797), (13, 27323690), (26, 13661845), (65, 5464738), (130, 2732369), (163, 2179190), (326, 1089595), (815, 435838), (1630, 217919), (2119, 167630), (4238, 83815), (10595, 33526), (16763, 21190)]