27780698

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1621}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 49049280

約数和(自身を除く): 21268582

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1558, 1621, 3242, 8569, 17138, 17831, 30799, 35662, 61598, 66461, 132922, 338789, 677578, 731071, 1262759, 1462142, 2525518, 13890349, 27780698]

約数ペア:

[(1, 27780698), (2, 13890349), (11, 2525518), (19, 1462142), (22, 1262759), (38, 731071), (41, 677578), (82, 338789), (209, 132922), (418, 66461), (451, 61598), (779, 35662), (902, 30799), (1558, 17831), (1621, 17138), (3242, 8569)]