405989072

素因数分解:

$2^4\times {\mathrm{2381}}^1\times {\mathrm{10657}}^1$

素因数の和:13046

約数の個数: 20

約数和(自身を含む): 787008036

約数和(自身を除く): 381018964

約数列:

[1, 2, 4, 8, 16, 2381, 4762, 9524, 10657, 19048, 21314, 38096, 42628, 85256, 170512, 25374317, 50748634, 101497268, 202994536, 405989072]

約数ペア:

[(1, 405989072), (2, 202994536), (4, 101497268), (8, 50748634), (16, 25374317), (2381, 170512), (4762, 85256), (9524, 42628), (10657, 38096), (19048, 21314)]