81420782

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{10859}}^1$

素因数の和:11047

約数の個数: 16

約数和(自身を含む): 128234880

約数和(自身を除く): 46814098

約数列:

[1, 2, 23, 46, 163, 326, 3749, 7498, 10859, 21718, 249757, 499514, 1770017, 3540034, 40710391, 81420782]

約数ペア:

[(1, 81420782), (2, 40710391), (23, 3540034), (46, 1770017), (163, 499514), (326, 249757), (3749, 21718), (7498, 10859)]