28777175

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{569}}^1$

素因数の和:620

約数の個数: 36

約数和(自身を含む): 43397520

約数和(自身を除く): 14620345

約数列:

[1, 5, 7, 17, 25, 35, 85, 119, 175, 289, 425, 569, 595, 1445, 2023, 2845, 2975, 3983, 7225, 9673, 10115, 14225, 19915, 48365, 50575, 67711, 99575, 164441, 241825, 338555, 822205, 1151087, 1692775, 4111025, 5755435, 28777175]

約数ペア:

[(1, 28777175), (5, 5755435), (7, 4111025), (17, 1692775), (25, 1151087), (35, 822205), (85, 338555), (119, 241825), (175, 164441), (289, 99575), (425, 67711), (569, 50575), (595, 48365), (1445, 19915), (2023, 14225), (2845, 10115), (2975, 9673), (3983, 7225)]