81916204

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{4451}}^1$

素因数の和:4605

約数の個数: 24

約数和(自身を含む): 148091328

約数和(自身を除く): 66175124

約数列:

[1, 2, 4, 43, 86, 107, 172, 214, 428, 4451, 4601, 8902, 9202, 17804, 18404, 191393, 382786, 476257, 765572, 952514, 1905028, 20479051, 40958102, 81916204]

約数ペア:

[(1, 81916204), (2, 40958102), (4, 20479051), (43, 1905028), (86, 952514), (107, 765572), (172, 476257), (214, 382786), (428, 191393), (4451, 18404), (4601, 17804), (8902, 9202)]