2116904881

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1\times {\mathrm{1429}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 2654812160

約数和(自身を除く): 537907279

約数列:

[1, 7, 13, 73, 91, 223, 511, 949, 1429, 1561, 2899, 6643, 10003, 16279, 18577, 20293, 104317, 113953, 130039, 211627, 318667, 730219, 1356121, 1481389, 2230669, 4142671, 9492847, 23262691, 28998697, 162838837, 302414983, 2116904881]

約数ペア:

[(1, 2116904881), (7, 302414983), (13, 162838837), (73, 28998697), (91, 23262691), (223, 9492847), (511, 4142671), (949, 2230669), (1429, 1481389), (1561, 1356121), (2899, 730219), (6643, 318667), (10003, 211627), (16279, 130039), (18577, 113953), (20293, 104317)]