31386446

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5563}}^1$

素因数の和:5616

約数の個数: 32

約数和(自身を含む): 59824128

約数和(自身を除く): 28437682

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5563, 5642, 11126, 38941, 72319, 77882, 144638, 172453, 344906, 506233, 1012466, 1207171, 2241889, 2414342, 4483778, 15693223, 31386446]

約数ペア:

[(1, 31386446), (2, 15693223), (7, 4483778), (13, 2414342), (14, 2241889), (26, 1207171), (31, 1012466), (62, 506233), (91, 344906), (182, 172453), (217, 144638), (403, 77882), (434, 72319), (806, 38941), (2821, 11126), (5563, 5642)]