12912890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2441}}^1$

素因数の和:2494

約数の個数: 24

約数和(自身を含む): 24307668

約数和(自身を除く): 11394778

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 529, 1058, 2441, 2645, 4882, 5290, 12205, 24410, 56143, 112286, 280715, 561430, 1291289, 2582578, 6456445, 12912890]

約数ペア:

[(1, 12912890), (2, 6456445), (5, 2582578), (10, 1291289), (23, 561430), (46, 280715), (115, 112286), (230, 56143), (529, 24410), (1058, 12205), (2441, 5290), (2645, 4882)]