1218993078

素因数分解:

$2^1\times 3^1\times {\mathrm{521}}^1\times {\mathrm{389953}}^1$

素因数の和:390479

約数の個数: 16

約数和(自身を含む): 2442671856

約数和(自身を除く): 1223678778

約数列:

[1, 2, 3, 6, 521, 1042, 1563, 3126, 389953, 779906, 1169859, 2339718, 203165513, 406331026, 609496539, 1218993078]

約数ペア:

[(1, 1218993078), (2, 609496539), (3, 406331026), (6, 203165513), (521, 2339718), (1042, 1169859), (1563, 779906), (3126, 389953)]