217418510

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{1439}}^1$

素因数の和:1996

約数の個数: 32

約数和(自身を含む): 405907200

約数和(自身を除く): 188488690

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 521, 1042, 1439, 2605, 2878, 5210, 7195, 14390, 15109, 30218, 41731, 75545, 83462, 151090, 208655, 417310, 749719, 1499438, 3748595, 7497190, 21741851, 43483702, 108709255, 217418510]

約数ペア:

[(1, 217418510), (2, 108709255), (5, 43483702), (10, 21741851), (29, 7497190), (58, 3748595), (145, 1499438), (290, 749719), (521, 417310), (1042, 208655), (1439, 151090), (2605, 83462), (2878, 75545), (5210, 41731), (7195, 30218), (14390, 15109)]