205381505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{8419}}^1$

素因数の和:8489

約数の個数: 32

約数和(自身を含む): 305544960

約数和(自身を除く): 100163455

約数列:

[1, 5, 7, 17, 35, 41, 85, 119, 205, 287, 595, 697, 1435, 3485, 4879, 8419, 24395, 42095, 58933, 143123, 294665, 345179, 715615, 1001861, 1725895, 2416253, 5009305, 5868043, 12081265, 29340215, 41076301, 205381505]

約数ペア:

[(1, 205381505), (5, 41076301), (7, 29340215), (17, 12081265), (35, 5868043), (41, 5009305), (85, 2416253), (119, 1725895), (205, 1001861), (287, 715615), (595, 345179), (697, 294665), (1435, 143123), (3485, 58933), (4879, 42095), (8419, 24395)]