306521305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:505

約数の個数: 32

約数和(自身を含む): 397522944

約数和(自身を除く): 91001639

約数列:

[1, 5, 17, 85, 103, 157, 223, 515, 785, 1115, 1751, 2669, 3791, 8755, 13345, 16171, 18955, 22969, 35011, 80855, 114845, 175055, 274907, 390473, 595187, 1374535, 1952365, 2975935, 3606133, 18030665, 61304261, 306521305]

約数ペア:

[(1, 306521305), (5, 61304261), (17, 18030665), (85, 3606133), (103, 2975935), (157, 1952365), (223, 1374535), (515, 595187), (785, 390473), (1115, 274907), (1751, 175055), (2669, 114845), (3791, 80855), (8755, 35011), (13345, 22969), (16171, 18955)]