181363312

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{2081}}^1$

素因数の和:2521

約数の個数: 40

約数和(自身を含む): 379506960

約数和(自身を除く): 198143648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 419, 838, 1676, 2081, 3352, 4162, 5447, 6704, 8324, 10894, 16648, 21788, 27053, 33296, 43576, 54106, 87152, 108212, 216424, 432848, 871939, 1743878, 3487756, 6975512, 11335207, 13951024, 22670414, 45340828, 90681656, 181363312]

約数ペア:

[(1, 181363312), (2, 90681656), (4, 45340828), (8, 22670414), (13, 13951024), (16, 11335207), (26, 6975512), (52, 3487756), (104, 1743878), (208, 871939), (419, 432848), (838, 216424), (1676, 108212), (2081, 87152), (3352, 54106), (4162, 43576), (5447, 33296), (6704, 27053), (8324, 21788), (10894, 16648)]