388991718

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{70393}}^1$

素因数の和:70708

約数の個数: 24

約数和(自身を含む): 845572728

約数和(自身を除く): 456581010

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 5526, 70393, 140786, 211179, 422358, 633537, 1267074, 21610651, 43221302, 64831953, 129663906, 194495859, 388991718]

約数ペア:

[(1, 388991718), (2, 194495859), (3, 129663906), (6, 64831953), (9, 43221302), (18, 21610651), (307, 1267074), (614, 633537), (921, 422358), (1842, 211179), (2763, 140786), (5526, 70393)]