400120976

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{1471033}}^1$

素因数の和:1471058

約数の個数: 20

約数和(自身を含む): 820836972

約数和(自身を除く): 420715996

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 1471033, 2942066, 5884132, 11768264, 23536528, 25007561, 50015122, 100030244, 200060488, 400120976]

約数ペア:

[(1, 400120976), (2, 200060488), (4, 100030244), (8, 50015122), (16, 25007561), (17, 23536528), (34, 11768264), (68, 5884132), (136, 2942066), (272, 1471033)]