81409535

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 105988608

約数和(自身を除く): 24579073

約数列:

[1, 5, 23, 43, 101, 115, 163, 215, 505, 815, 989, 2323, 3749, 4343, 4945, 7009, 11615, 16463, 18745, 21715, 35045, 82315, 99889, 161207, 378649, 499445, 707909, 806035, 1893245, 3539545, 16281907, 81409535]

約数ペア:

[(1, 81409535), (5, 16281907), (23, 3539545), (43, 1893245), (101, 806035), (115, 707909), (163, 499445), (215, 378649), (505, 161207), (815, 99889), (989, 82315), (2323, 35045), (3749, 21715), (4343, 18745), (4945, 16463), (7009, 11615)]