31290935

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 42674688

約数和(自身を除く): 11383753

約数列:

[1, 5, 13, 31, 53, 65, 155, 265, 293, 403, 689, 1465, 1643, 2015, 3445, 3809, 8215, 9083, 15529, 19045, 21359, 45415, 77645, 106795, 118079, 201877, 481399, 590395, 1009385, 2406995, 6258187, 31290935]

約数ペア:

[(1, 31290935), (5, 6258187), (13, 2406995), (31, 1009385), (53, 590395), (65, 481399), (155, 201877), (265, 118079), (293, 106795), (403, 77645), (689, 45415), (1465, 21359), (1643, 19045), (2015, 15529), (3445, 9083), (3809, 8215)]