202119841

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{223}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 258048000

約数和(自身を除く): 55928159

約数列:

[1, 7, 11, 77, 79, 149, 223, 553, 869, 1043, 1561, 1639, 2453, 6083, 11473, 11771, 17171, 17617, 33227, 82397, 123319, 129481, 193787, 232589, 365497, 906367, 1356509, 2558479, 2624933, 18374531, 28874263, 202119841]

約数ペア:

[(1, 202119841), (7, 28874263), (11, 18374531), (77, 2624933), (79, 2558479), (149, 1356509), (223, 906367), (553, 365497), (869, 232589), (1043, 193787), (1561, 129481), (1639, 123319), (2453, 82397), (6083, 33227), (11473, 17617), (11771, 17171)]