258936706

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:910

約数の個数: 32

約数和(自身を含む): 449648640

約数和(自身を除く): 190711934

約数列:

[1, 2, 7, 14, 139, 271, 278, 491, 542, 973, 982, 1897, 1946, 3437, 3794, 6874, 37669, 68249, 75338, 133061, 136498, 263683, 266122, 477743, 527366, 931427, 955486, 1862854, 18495479, 36990958, 129468353, 258936706]

約数ペア:

[(1, 258936706), (2, 129468353), (7, 36990958), (14, 18495479), (139, 1862854), (271, 955486), (278, 931427), (491, 527366), (542, 477743), (973, 266122), (982, 263683), (1897, 136498), (1946, 133061), (3437, 75338), (3794, 68249), (6874, 37669)]