209969494

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{433}}^1\times {\mathrm{1823}}^1$

素因数の和:2284

約数の個数: 32

約数和(自身を含む): 379975680

約数和(自身を除く): 170006186

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 433, 866, 1823, 3031, 3646, 6062, 8227, 12761, 16454, 25522, 34637, 57589, 69274, 115178, 242459, 484918, 789359, 1578718, 5525513, 11051026, 14997821, 29995642, 104984747, 209969494]

約数ペア:

[(1, 209969494), (2, 104984747), (7, 29995642), (14, 14997821), (19, 11051026), (38, 5525513), (133, 1578718), (266, 789359), (433, 484918), (866, 242459), (1823, 115178), (3031, 69274), (3646, 57589), (6062, 34637), (8227, 25522), (12761, 16454)]