81930715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1\times {\mathrm{1451}}^1$

素因数の和:1970

約数の個数: 16

約数和(自身を含む): 102871296

約数和(自身を除く): 20940581

約数列:

[1, 5, 23, 115, 491, 1451, 2455, 7255, 11293, 33373, 56465, 166865, 712441, 3562205, 16386143, 81930715]

約数ペア:

[(1, 81930715), (5, 16386143), (23, 3562205), (115, 712441), (491, 166865), (1451, 56465), (2455, 33373), (7255, 11293)]