31221107266

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{39209}}^1$

素因数の和:39498

約数の個数: 32

約数和(自身を含む): 49190042880

約数和(自身を除く): 17968935614

約数列:

[1, 2, 43, 47, 86, 94, 197, 394, 2021, 4042, 8471, 9259, 16942, 18518, 39209, 78418, 398137, 796274, 1685987, 1842823, 3371974, 3685646, 7724173, 15448346, 79241389, 158482778, 332139439, 363036131, 664278878, 726072262, 15610553633, 31221107266]

約数ペア:

[(1, 31221107266), (2, 15610553633), (43, 726072262), (47, 664278878), (86, 363036131), (94, 332139439), (197, 158482778), (394, 79241389), (2021, 15448346), (4042, 7724173), (8471, 3685646), (9259, 3371974), (16942, 1842823), (18518, 1685987), (39209, 796274), (78418, 398137)]