221411428

素因数分解:

$2^2\times 7^1\times {\mathrm{761}}^1\times {\mathrm{10391}}^1$

素因数の和:11163

約数の個数: 24

約数和(自身を含む): 443447424

約数和(自身を除く): 222035996

約数列:

[1, 2, 4, 7, 14, 28, 761, 1522, 3044, 5327, 10391, 10654, 20782, 21308, 41564, 72737, 145474, 290948, 7907551, 15815102, 31630204, 55352857, 110705714, 221411428]

約数ペア:

[(1, 221411428), (2, 110705714), (4, 55352857), (7, 31630204), (14, 15815102), (28, 7907551), (761, 290948), (1522, 145474), (3044, 72737), (5327, 41564), (10391, 21308), (10654, 20782)]