9998078

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 16

約数和(自身を含む): 15331680

約数和(自身を除く): 5333602

約数列:

[1, 2, 71, 142, 181, 362, 389, 778, 12851, 25702, 27619, 55238, 70409, 140818, 4999039, 9998078]

約数ペア:

[(1, 9998078), (2, 4999039), (71, 140818), (142, 70409), (181, 55238), (362, 27619), (389, 25702), (778, 12851)]