81781726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{37897}}^1$

素因数の和:37995

約数の個数: 16

約数和(自身を含む): 133704144

約数和(自身を除く): 51922418

約数列:

[1, 2, 13, 26, 83, 166, 1079, 2158, 37897, 75794, 492661, 985322, 3145451, 6290902, 40890863, 81781726]

約数ペア:

[(1, 81781726), (2, 40890863), (13, 6290902), (26, 3145451), (83, 985322), (166, 492661), (1079, 75794), (2158, 37897)]