289794508

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{4651}}^1$

素因数の和:5113

約数の個数: 24

約数和(自身を含む): 522196304

約数和(自身を除く): 232401796

約数列:

[1, 2, 4, 37, 74, 148, 421, 842, 1684, 4651, 9302, 15577, 18604, 31154, 62308, 172087, 344174, 688348, 1958071, 3916142, 7832284, 72448627, 144897254, 289794508]

約数ペア:

[(1, 289794508), (2, 144897254), (4, 72448627), (37, 7832284), (74, 3916142), (148, 1958071), (421, 688348), (842, 344174), (1684, 172087), (4651, 62308), (9302, 31154), (15577, 18604)]