81159416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{780379}}^1$

素因数の和:780398

約数の個数: 16

約数和(自身を含む): 163879800

約数和(自身を除く): 82720384

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 780379, 1560758, 3121516, 6243032, 10144927, 20289854, 40579708, 81159416]

約数ペア:

[(1, 81159416), (2, 40579708), (4, 20289854), (8, 10144927), (13, 6243032), (26, 3121516), (52, 1560758), (104, 780379)]