261756848

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{67883}}^1$

素因数の和:68132

約数の個数: 20

約数和(自身を含む): 509265768

約数和(自身を除く): 247508920

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 67883, 135766, 271532, 543064, 1086128, 16359803, 32719606, 65439212, 130878424, 261756848]

約数ペア:

[(1, 261756848), (2, 130878424), (4, 65439212), (8, 32719606), (16, 16359803), (241, 1086128), (482, 543064), (964, 271532), (1928, 135766), (3856, 67883)]