261159910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{38921}}^1$

素因数の和:39000

約数の個数: 32

約数和(自身を含む): 521243424

約数和(自身を除く): 260083514

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3355, 6710, 38921, 77842, 194605, 389210, 428131, 856262, 2140655, 2374181, 4281310, 4748362, 11870905, 23741810, 26115991, 52231982, 130579955, 261159910]

約数ペア:

[(1, 261159910), (2, 130579955), (5, 52231982), (10, 26115991), (11, 23741810), (22, 11870905), (55, 4748362), (61, 4281310), (110, 2374181), (122, 2140655), (305, 856262), (610, 428131), (671, 389210), (1342, 194605), (3355, 77842), (6710, 38921)]