261821656798

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1289}}^1\times {\mathrm{7812307}}^1$

素因数の和:7813611

約数の個数: 16

約数和(自身を含む): 423270847440

約数和(自身を除く): 161449190642

約数列:

[1, 2, 13, 26, 1289, 2578, 16757, 33514, 7812307, 15624614, 101559991, 203119982, 10070063723, 20140127446, 130910828399, 261821656798]

約数ペア:

[(1, 261821656798), (2, 130910828399), (13, 20140127446), (26, 10070063723), (1289, 203119982), (2578, 101559991), (16757, 15624614), (33514, 7812307)]