8372390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{64403}}^1$

素因数の和:64423

約数の個数: 16

約数和(自身を含む): 16229808

約数和(自身を除く): 7857418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 64403, 128806, 322015, 644030, 837239, 1674478, 4186195, 8372390]

約数ペア:

[(1, 8372390), (2, 4186195), (5, 1674478), (10, 837239), (13, 644030), (26, 322015), (65, 128806), (130, 64403)]