123089392

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{178909}}^1$

素因数の和:178960

約数の個数: 20

約数和(自身を含む): 244033240

約数和(自身を除く): 120943848

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 178909, 357818, 715636, 1431272, 2862544, 7693087, 15386174, 30772348, 61544696, 123089392]

約数ペア:

[(1, 123089392), (2, 61544696), (4, 30772348), (8, 15386174), (16, 7693087), (43, 2862544), (86, 1431272), (172, 715636), (344, 357818), (688, 178909)]