206886290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{54877}}^1$

素因数の和:54926

約数の個数: 32

約数和(自身を含む): 414877680

約数和(自身を除く): 207991390

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 54877, 109754, 274385, 548770, 713401, 1426802, 1591433, 3182866, 3567005, 7134010, 7957165, 15914330, 20688629, 41377258, 103443145, 206886290]

約数ペア:

[(1, 206886290), (2, 103443145), (5, 41377258), (10, 20688629), (13, 15914330), (26, 7957165), (29, 7134010), (58, 3567005), (65, 3182866), (130, 1591433), (145, 1426802), (290, 713401), (377, 548770), (754, 274385), (1885, 109754), (3770, 54877)]