639334

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 16

約数和(自身を含む): 1012320

約数和(自身を除く): 372986

約数列:

[1, 2, 29, 58, 73, 146, 151, 302, 2117, 4234, 4379, 8758, 11023, 22046, 319667, 639334]

約数ペア:

[(1, 639334), (2, 319667), (29, 22046), (58, 11023), (73, 8758), (146, 4379), (151, 4234), (302, 2117)]