27781655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 39460608

約数和(自身を除く): 11678953

約数列:

[1, 5, 11, 17, 43, 55, 85, 187, 215, 473, 691, 731, 935, 2365, 3455, 3655, 7601, 8041, 11747, 29713, 38005, 40205, 58735, 129217, 148565, 326843, 505121, 646085, 1634215, 2525605, 5556331, 27781655]

約数ペア:

[(1, 27781655), (5, 5556331), (11, 2525605), (17, 1634215), (43, 646085), (55, 505121), (85, 326843), (187, 148565), (215, 129217), (473, 58735), (691, 40205), (731, 38005), (935, 29713), (2365, 11747), (3455, 8041), (3655, 7601)]