278340728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107717}}^1$

素因数の和:107759

約数の個数: 32

約数和(自身を含む): 581677200

約数和(自身を除く): 303336472

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 323, 646, 1292, 2584, 107717, 215434, 430868, 861736, 1831189, 2046623, 3662378, 4093246, 7324756, 8186492, 14649512, 16372984, 34792591, 69585182, 139170364, 278340728]

約数ペア:

[(1, 278340728), (2, 139170364), (4, 69585182), (8, 34792591), (17, 16372984), (19, 14649512), (34, 8186492), (38, 7324756), (68, 4093246), (76, 3662378), (136, 2046623), (152, 1831189), (323, 861736), (646, 430868), (1292, 215434), (2584, 107717)]