1289949050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1984537}}^1$

素因数の和:1984562

約数の個数: 24

約数和(自身を含む): 2583868476

約数和(自身を除く): 1293919426

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 1984537, 3969074, 9922685, 19845370, 25798981, 49613425, 51597962, 99226850, 128994905, 257989810, 644974525, 1289949050]

約数ペア:

[(1, 1289949050), (2, 644974525), (5, 257989810), (10, 128994905), (13, 99226850), (25, 51597962), (26, 49613425), (50, 25798981), (65, 19845370), (130, 9922685), (325, 3969074), (650, 1984537)]