216872315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{1423}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 302662656

約数和(自身を除く): 85790341

約数列:

[1, 5, 11, 17, 55, 85, 163, 187, 815, 935, 1423, 1793, 2771, 7115, 8965, 13855, 15653, 24191, 30481, 78265, 120955, 152405, 231949, 266101, 1159745, 1330505, 2551439, 3943133, 12757195, 19715665, 43374463, 216872315]

約数ペア:

[(1, 216872315), (5, 43374463), (11, 19715665), (17, 12757195), (55, 3943133), (85, 2551439), (163, 1330505), (187, 1159745), (815, 266101), (935, 231949), (1423, 152405), (1793, 120955), (2771, 78265), (7115, 30481), (8965, 24191), (13855, 15653)]