22249997

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2861}}^1$

素因数の和:2980

約数の個数: 16

約数和(自身を含む): 28024704

約数和(自身を除く): 5774707

約数列:

[1, 7, 11, 77, 101, 707, 1111, 2861, 7777, 20027, 31471, 220297, 288961, 2022727, 3178571, 22249997]

約数ペア:

[(1, 22249997), (7, 3178571), (11, 2022727), (77, 288961), (101, 220297), (707, 31471), (1111, 20027), (2861, 7777)]