66440888

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:695

約数の個数: 32

約数和(自身を含む): 126630000

約数和(自身を除く): 60189112

約数列:

[1, 2, 4, 8, 139, 149, 278, 298, 401, 556, 596, 802, 1112, 1192, 1604, 3208, 20711, 41422, 55739, 59749, 82844, 111478, 119498, 165688, 222956, 238996, 445912, 477992, 8305111, 16610222, 33220444, 66440888]

約数ペア:

[(1, 66440888), (2, 33220444), (4, 16610222), (8, 8305111), (139, 477992), (149, 445912), (278, 238996), (298, 222956), (401, 165688), (556, 119498), (596, 111478), (802, 82844), (1112, 59749), (1192, 55739), (1604, 41422), (3208, 20711)]