1640986565

素因数分解:

$5^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1\times {\mathrm{22171}}^1$

素因数の和:22420

約数の個数: 16

約数和(自身を含む): 2001865536

約数和(自身を除く): 360878971

約数列:

[1, 5, 113, 131, 565, 655, 14803, 22171, 74015, 110855, 2505323, 2904401, 12526615, 14522005, 328197313, 1640986565]

約数ペア:

[(1, 1640986565), (5, 328197313), (113, 14522005), (131, 12526615), (565, 2904401), (655, 2505323), (14803, 110855), (22171, 74015)]