681502012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{54277}}^1$

素因数の和:54397

約数の個数: 24

約数和(自身を含む): 1237104176

約数和(自身を除く): 555602164

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 3139, 6278, 12556, 54277, 108554, 217108, 2333911, 3962221, 4667822, 7924442, 9335644, 15848884, 170375503, 340751006, 681502012]

約数ペア:

[(1, 681502012), (2, 340751006), (4, 170375503), (43, 15848884), (73, 9335644), (86, 7924442), (146, 4667822), (172, 3962221), (292, 2333911), (3139, 217108), (6278, 108554), (12556, 54277)]