639074348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{2017}}^1$

素因数の和:2430

約数の個数: 48

約数和(自身を含む): 1288291200

約数和(自身を除く): 649216852

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 379, 418, 758, 836, 1516, 2017, 4034, 4169, 7201, 8068, 8338, 14402, 16676, 22187, 28804, 38323, 44374, 76646, 79211, 88748, 153292, 158422, 316844, 421553, 764443, 843106, 1528886, 1686212, 3057772, 8408873, 14524417, 16817746, 29048834, 33635492, 58097668, 159768587, 319537174, 639074348]

約数ペア:

[(1, 639074348), (2, 319537174), (4, 159768587), (11, 58097668), (19, 33635492), (22, 29048834), (38, 16817746), (44, 14524417), (76, 8408873), (209, 3057772), (379, 1686212), (418, 1528886), (758, 843106), (836, 764443), (1516, 421553), (2017, 316844), (4034, 158422), (4169, 153292), (7201, 88748), (8068, 79211), (8338, 76646), (14402, 44374), (16676, 38323), (22187, 28804)]