66161776

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:637

約数の個数: 40

約数和(自身を含む): 131241600

約数和(自身を除く): 65079824

約数列:

[1, 2, 4, 8, 16, 71, 139, 142, 278, 284, 419, 556, 568, 838, 1112, 1136, 1676, 2224, 3352, 6704, 9869, 19738, 29749, 39476, 58241, 59498, 78952, 116482, 118996, 157904, 232964, 237992, 465928, 475984, 931856, 4135111, 8270222, 16540444, 33080888, 66161776]

約数ペア:

[(1, 66161776), (2, 33080888), (4, 16540444), (8, 8270222), (16, 4135111), (71, 931856), (139, 475984), (142, 465928), (278, 237992), (284, 232964), (419, 157904), (556, 118996), (568, 116482), (838, 78952), (1112, 59498), (1136, 58241), (1676, 39476), (2224, 29749), (3352, 19738), (6704, 9869)]