1900886407

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{71821}}^1$

素因数の和:72046

約数の個数: 16

約数和(自身を含む): 2298304000

約数和(自身を除く): 397417593

約数列:

[1, 7, 19, 133, 199, 1393, 3781, 26467, 71821, 502747, 1364599, 9552193, 14292379, 100046653, 271555201, 1900886407]

約数ペア:

[(1, 1900886407), (7, 271555201), (19, 100046653), (133, 14292379), (199, 9552193), (1393, 1364599), (3781, 502747), (26467, 71821)]