678847728

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1087897}}^1$

素因数の和:1087921

約数の個数: 40

約数和(自身を含む): 1888590928

約数和(自身を除く): 1209743200

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 1087897, 2175794, 3263691, 4351588, 6527382, 8703176, 13054764, 14142661, 17406352, 26109528, 28285322, 42427983, 52219056, 56570644, 84855966, 113141288, 169711932, 226282576, 339423864, 678847728]

約数ペア:

[(1, 678847728), (2, 339423864), (3, 226282576), (4, 169711932), (6, 113141288), (8, 84855966), (12, 56570644), (13, 52219056), (16, 42427983), (24, 28285322), (26, 26109528), (39, 17406352), (48, 14142661), (52, 13054764), (78, 8703176), (104, 6527382), (156, 4351588), (208, 3263691), (312, 2175794), (624, 1087897)]