216904646

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{815431}}^1$

素因数の和:815459

約数の個数: 16

約数和(自身を含む): 391407360

約数和(自身を除く): 174502714

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 815431, 1630862, 5708017, 11416034, 15493189, 30986378, 108452323, 216904646]

約数ペア:

[(1, 216904646), (2, 108452323), (7, 30986378), (14, 15493189), (19, 11416034), (38, 5708017), (133, 1630862), (266, 815431)]