1999042945

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{64579}}^1$

素因数の和:64776

約数の個数: 16

約数和(自身を含む): 2473672320

約数和(自身を除く): 474629375

約数列:

[1, 5, 41, 151, 205, 755, 6191, 30955, 64579, 322895, 2647739, 9751429, 13238695, 48757145, 399808589, 1999042945]

約数ペア:

[(1, 1999042945), (5, 399808589), (41, 48757145), (151, 13238695), (205, 9751429), (755, 2647739), (6191, 322895), (30955, 64579)]