81831542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{19309}}^1$

素因数の和:19487

約数の個数: 16

約数和(自身を含む): 133007280

約数和(自身を除く): 51175738

約数列:

[1, 2, 13, 26, 163, 326, 2119, 4238, 19309, 38618, 251017, 502034, 3147367, 6294734, 40915771, 81831542]

約数ペア:

[(1, 81831542), (2, 40915771), (13, 6294734), (26, 3147367), (163, 502034), (326, 251017), (2119, 38618), (4238, 19309)]