1990457855

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1\times {\mathrm{6607}}^1$

素因数の和:7378

約数の個数: 16

約数和(自身を含む): 2419320960

約数和(自身を除く): 428863105

約数列:

[1, 5, 89, 445, 677, 3385, 6607, 33035, 60253, 301265, 588023, 2940115, 4472939, 22364695, 398091571, 1990457855]

約数ペア:

[(1, 1990457855), (5, 398091571), (89, 22364695), (445, 4472939), (677, 2940115), (3385, 588023), (6607, 301265), (33035, 60253)]