2538431567

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{1289}}^1$

素因数の和:1523

約数の個数: 32

約数和(自身を含む): 3065040000

約数和(自身を除く): 526608433

約数列:

[1, 7, 29, 89, 109, 203, 623, 763, 1289, 2581, 3161, 9023, 9701, 18067, 22127, 37381, 67907, 114721, 140501, 261667, 281329, 803047, 983507, 1969303, 3326909, 4074529, 12504589, 23288363, 28521703, 87532123, 362633081, 2538431567]

約数ペア:

[(1, 2538431567), (7, 362633081), (29, 87532123), (89, 28521703), (109, 23288363), (203, 12504589), (623, 4074529), (763, 3326909), (1289, 1969303), (2581, 983507), (3161, 803047), (9023, 281329), (9701, 261667), (18067, 140501), (22127, 114721), (37381, 67907)]