189905891

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{22817}}^1$

素因数の和:22894

約数の個数: 16

約数和(自身を含む): 230005440

約数和(自身を除く): 40099549

約数列:

[1, 7, 29, 41, 203, 287, 1189, 8323, 22817, 159719, 661693, 935497, 4631851, 6548479, 27129413, 189905891]

約数ペア:

[(1, 189905891), (7, 27129413), (29, 6548479), (41, 4631851), (203, 935497), (287, 661693), (1189, 159719), (8323, 22817)]