31190185

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 43481088

約数和(自身を除く): 12290903

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 299, 403, 673, 713, 1495, 2015, 3365, 3565, 8749, 9269, 15479, 20863, 43745, 46345, 77395, 104315, 201227, 271219, 479849, 1006135, 1356095, 2399245, 6238037, 31190185]

約数ペア:

[(1, 31190185), (5, 6238037), (13, 2399245), (23, 1356095), (31, 1006135), (65, 479849), (115, 271219), (155, 201227), (299, 104315), (403, 77395), (673, 46345), (713, 43745), (1495, 20863), (2015, 15479), (3365, 9269), (3565, 8749)]