278538962224

素因数分解:

$2^4\times {\mathrm{22129}}^1\times {\mathrm{786691}}^1$

素因数の和:808828

約数の個数: 20

約数和(自身を含む): 539694312760

約数和(自身を除く): 261155350536

約数列:

[1, 2, 4, 8, 16, 22129, 44258, 88516, 177032, 354064, 786691, 1573382, 3146764, 6293528, 12587056, 17408685139, 34817370278, 69634740556, 139269481112, 278538962224]

約数ペア:

[(1, 278538962224), (2, 139269481112), (4, 69634740556), (8, 34817370278), (16, 17408685139), (22129, 12587056), (44258, 6293528), (88516, 3146764), (177032, 1573382), (354064, 786691)]