81180974

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{81671}}^1$

素因数の和:81751

約数の個数: 16

約数和(自身を含む): 141129216

約数和(自身を除く): 59948242

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 81671, 163342, 571697, 1143394, 5798641, 11597282, 40590487, 81180974]

約数ペア:

[(1, 81180974), (2, 40590487), (7, 11597282), (14, 5798641), (71, 1143394), (142, 571697), (497, 163342), (994, 81671)]