28320868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 54432000

約数和(自身を除く): 26111132

約数列:

[1, 2, 4, 19, 38, 53, 76, 79, 89, 106, 158, 178, 212, 316, 356, 1007, 1501, 1691, 2014, 3002, 3382, 4028, 4187, 4717, 6004, 6764, 7031, 8374, 9434, 14062, 16748, 18868, 28124, 79553, 89623, 133589, 159106, 179246, 267178, 318212, 358492, 372643, 534356, 745286, 1490572, 7080217, 14160434, 28320868]

約数ペア:

[(1, 28320868), (2, 14160434), (4, 7080217), (19, 1490572), (38, 745286), (53, 534356), (76, 372643), (79, 358492), (89, 318212), (106, 267178), (158, 179246), (178, 159106), (212, 133589), (316, 89623), (356, 79553), (1007, 28124), (1501, 18868), (1691, 16748), (2014, 14062), (3002, 9434), (3382, 8374), (4028, 7031), (4187, 6764), (4717, 6004)]