1387837295

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{52981}}^1$

素因数の和:53043

約数の個数: 24

約数和(自身を含む): 1861575552

約数和(自身を除く): 473738257

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 26195, 52981, 264905, 688753, 1642411, 3443765, 8212055, 8953789, 21351343, 44768945, 106756715, 277567459, 1387837295]

約数ペア:

[(1, 1387837295), (5, 277567459), (13, 106756715), (31, 44768945), (65, 21351343), (155, 8953789), (169, 8212055), (403, 3443765), (845, 1642411), (2015, 688753), (5239, 264905), (26195, 52981)]