81308170

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{280373}}^1$

素因数の和:280409

約数の個数: 16

約数和(自身を含む): 151401960

約数和(自身を除く): 70093790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 280373, 560746, 1401865, 2803730, 8130817, 16261634, 40654085, 81308170]

約数ペア:

[(1, 81308170), (2, 40654085), (5, 16261634), (10, 8130817), (29, 2803730), (58, 1401865), (145, 560746), (290, 280373)]