31688293

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 41287680

約数和(自身を除く): 9599387

約数列:

[1, 7, 13, 31, 47, 91, 217, 239, 329, 403, 611, 1457, 1673, 2821, 3107, 4277, 7409, 10199, 11233, 18941, 21749, 51863, 78631, 96317, 132587, 146029, 348223, 674219, 1022203, 2437561, 4526899, 31688293]

約数ペア:

[(1, 31688293), (7, 4526899), (13, 2437561), (31, 1022203), (47, 674219), (91, 348223), (217, 146029), (239, 132587), (329, 96317), (403, 78631), (611, 51863), (1457, 21749), (1673, 18941), (2821, 11233), (3107, 10199), (4277, 7409)]