9998905

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12456

約数の個数: 16

約数和(自身を含む): 14310144

約数和(自身を除く): 4311239

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 12421, 62105, 86947, 285683, 434735, 1428415, 1999781, 9998905]

約数ペア:

[(1, 9998905), (5, 1999781), (7, 1428415), (23, 434735), (35, 285683), (115, 86947), (161, 62105), (805, 12421)]