22160005

素因数分解:

$5^1\times 7^2\times {\mathrm{151}}^1\times {\mathrm{599}}^1$

素因数の和:769

約数の個数: 24

約数和(自身を含む): 31190400

約数和(自身を除く): 9030395

約数列:

[1, 5, 7, 35, 49, 151, 245, 599, 755, 1057, 2995, 4193, 5285, 7399, 20965, 29351, 36995, 90449, 146755, 452245, 633143, 3165715, 4432001, 22160005]

約数ペア:

[(1, 22160005), (5, 4432001), (7, 3165715), (35, 633143), (49, 452245), (151, 146755), (245, 90449), (599, 36995), (755, 29351), (1057, 20965), (2995, 7399), (4193, 5285)]