99687505

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1\times {\mathrm{643}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 121391424

約数和(自身を除く): 21703919

約数列:

[1, 5, 101, 307, 505, 643, 1535, 3215, 31007, 64943, 155035, 197401, 324715, 987005, 19937501, 99687505]

約数ペア:

[(1, 99687505), (5, 19937501), (101, 987005), (307, 324715), (505, 197401), (643, 155035), (1535, 64943), (3215, 31007)]