12897815

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 19128960

約数和(自身を除く): 6231145

約数列:

[1, 5, 7, 17, 35, 53, 85, 119, 265, 371, 409, 595, 901, 1855, 2045, 2863, 4505, 6307, 6953, 14315, 21677, 31535, 34765, 48671, 108385, 151739, 243355, 368509, 758695, 1842545, 2579563, 12897815]

約数ペア:

[(1, 12897815), (5, 2579563), (7, 1842545), (17, 758695), (35, 368509), (53, 243355), (85, 151739), (119, 108385), (265, 48671), (371, 34765), (409, 31535), (595, 21677), (901, 14315), (1855, 6953), (2045, 6307), (2863, 4505)]