71289724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{26561}}^1$

素因数の和:26637

約数の個数: 24

約数和(自身を含む): 138334896

約数和(自身を除く): 67045172

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 26561, 53122, 106244, 292171, 584342, 1168684, 1620221, 3240442, 6480884, 17822431, 35644862, 71289724]

約数ペア:

[(1, 71289724), (2, 35644862), (4, 17822431), (11, 6480884), (22, 3240442), (44, 1620221), (61, 1168684), (122, 584342), (244, 292171), (671, 106244), (1342, 53122), (2684, 26561)]