278770154

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{24203}}^1$

素因数の和:24661

約数の個数: 16

約数和(自身を含む): 451356192

約数和(自身を除く): 172586038

約数列:

[1, 2, 13, 26, 443, 886, 5759, 11518, 24203, 48406, 314639, 629278, 10721929, 21443858, 139385077, 278770154]

約数ペア:

[(1, 278770154), (2, 139385077), (13, 21443858), (26, 10721929), (443, 629278), (886, 314639), (5759, 48406), (11518, 24203)]