9978728

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 19958400

約数和(自身を除く): 9979672

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 239, 307, 478, 614, 956, 1228, 1912, 2456, 4063, 5219, 8126, 10438, 16252, 20876, 32504, 41752, 73373, 146746, 293492, 586984, 1247341, 2494682, 4989364, 9978728]

約数ペア:

[(1, 9978728), (2, 4989364), (4, 2494682), (8, 1247341), (17, 586984), (34, 293492), (68, 146746), (136, 73373), (239, 41752), (307, 32504), (478, 20876), (614, 16252), (956, 10438), (1228, 8126), (1912, 5219), (2456, 4063)]