81222778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{446279}}^1$

素因数の和:446301

約数の個数: 16

約数和(自身を含む): 149950080

約数和(自身を除く): 68727302

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 446279, 892558, 3123953, 5801627, 6247906, 11603254, 40611389, 81222778]

約数ペア:

[(1, 81222778), (2, 40611389), (7, 11603254), (13, 6247906), (14, 5801627), (26, 3123953), (91, 892558), (182, 446279)]