123278402

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{569}}^1\times {\mathrm{641}}^1$

素因数の和:1238

約数の個数: 24

約数和(自身を含む): 200901060

約数和(自身を除く): 77622658

約数列:

[1, 2, 13, 26, 169, 338, 569, 641, 1138, 1282, 7397, 8333, 14794, 16666, 96161, 108329, 192322, 216658, 364729, 729458, 4741477, 9482954, 61639201, 123278402]

約数ペア:

[(1, 123278402), (2, 61639201), (13, 9482954), (26, 4741477), (169, 729458), (338, 364729), (569, 216658), (641, 192322), (1138, 108329), (1282, 96161), (7397, 16666), (8333, 14794)]