31121164

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 59875200

約数和(自身を除く): 28754036

約数列:

[1, 2, 4, 19, 38, 43, 76, 86, 89, 107, 172, 178, 214, 356, 428, 817, 1634, 1691, 2033, 3268, 3382, 3827, 4066, 4601, 6764, 7654, 8132, 9202, 9523, 15308, 18404, 19046, 38092, 72713, 87419, 145426, 174838, 180937, 290852, 349676, 361874, 409489, 723748, 818978, 1637956, 7780291, 15560582, 31121164]

約数ペア:

[(1, 31121164), (2, 15560582), (4, 7780291), (19, 1637956), (38, 818978), (43, 723748), (76, 409489), (86, 361874), (89, 349676), (107, 290852), (172, 180937), (178, 174838), (214, 145426), (356, 87419), (428, 72713), (817, 38092), (1634, 19046), (1691, 18404), (2033, 15308), (3268, 9523), (3382, 9202), (3827, 8132), (4066, 7654), (4601, 6764)]