259493072

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{228427}}^1$

素因数の和:228506

約数の個数: 20

約数和(自身を含む): 509851296

約数和(自身を除く): 250358224

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 228427, 456854, 913708, 1827416, 3654832, 16218317, 32436634, 64873268, 129746536, 259493072]

約数ペア:

[(1, 259493072), (2, 129746536), (4, 64873268), (8, 32436634), (16, 16218317), (71, 3654832), (142, 1827416), (284, 913708), (568, 456854), (1136, 228427)]