198735691

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{13513}}^1$

素因数の和:13722

約数の個数: 16

約数和(自身を含む): 249090048

約数和(自身を除く): 50354357

約数列:

[1, 7, 11, 77, 191, 1337, 2101, 13513, 14707, 94591, 148643, 1040501, 2580983, 18066881, 28390813, 198735691]

約数ペア:

[(1, 198735691), (7, 28390813), (11, 18066881), (77, 2580983), (191, 1040501), (1337, 148643), (2101, 94591), (13513, 14707)]