278540210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{16871}}^1$

素因数の和:17018

約数の個数: 32

約数和(自身を含む): 544223232

約数和(自身を除く): 265683022

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1270, 1651, 3302, 8255, 16510, 16871, 33742, 84355, 168710, 219323, 438646, 1096615, 2142617, 2193230, 4285234, 10713085, 21426170, 27854021, 55708042, 139270105, 278540210]

約数ペア:

[(1, 278540210), (2, 139270105), (5, 55708042), (10, 27854021), (13, 21426170), (26, 10713085), (65, 4285234), (127, 2193230), (130, 2142617), (254, 1096615), (635, 438646), (1270, 219323), (1651, 168710), (3302, 84355), (8255, 33742), (16510, 16871)]