2081553955

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{865511}}^1$

素因数の和:865566

約数の個数: 16

約数和(自身を含む): 2762714304

約数和(自身を除く): 681160349

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 865511, 4327555, 11251643, 32023907, 56258215, 160119535, 416310791, 2081553955]

約数ペア:

[(1, 2081553955), (5, 416310791), (13, 160119535), (37, 56258215), (65, 32023907), (185, 11251643), (481, 4327555), (2405, 865511)]