28188628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 56667520

約数和(自身を除く): 28478892

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 103, 206, 247, 277, 412, 494, 554, 988, 1108, 1339, 1957, 2678, 3601, 3914, 5263, 5356, 7202, 7828, 10526, 14404, 21052, 25441, 28531, 50882, 57062, 68419, 101764, 114124, 136838, 273676, 370903, 542089, 741806, 1084178, 1483612, 2168356, 7047157, 14094314, 28188628]

約数ペア:

[(1, 28188628), (2, 14094314), (4, 7047157), (13, 2168356), (19, 1483612), (26, 1084178), (38, 741806), (52, 542089), (76, 370903), (103, 273676), (206, 136838), (247, 114124), (277, 101764), (412, 68419), (494, 57062), (554, 50882), (988, 28531), (1108, 25441), (1339, 21052), (1957, 14404), (2678, 10526), (3601, 7828), (3914, 7202), (5263, 5356)]