221779201

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1\times {\mathrm{659}}^1$

素因数の和:1164

約数の個数: 16

約数和(自身を含む): 256481280

約数和(自身を除く): 34702079

約数列:

[1, 7, 131, 367, 659, 917, 2569, 4613, 48077, 86329, 241853, 336539, 604303, 1692971, 31682743, 221779201]

約数ペア:

[(1, 221779201), (7, 31682743), (131, 1692971), (367, 604303), (659, 336539), (917, 241853), (2569, 86329), (4613, 48077)]