251566560016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1973}}^1\times {\mathrm{419423}}^1$

素因数の和:421423

約数の個数: 40

約数和(自身を含む): 513324645120

約数和(自身を除く): 261758085104

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1973, 3946, 7892, 15784, 31568, 37487, 74974, 149948, 299896, 419423, 599792, 838846, 1677692, 3355384, 6710768, 7969037, 15938074, 31876148, 63752296, 127504592, 827521579, 1655043158, 3310086316, 6620172632, 13240345264, 15722910001, 31445820002, 62891640004, 125783280008, 251566560016]

約数ペア:

[(1, 251566560016), (2, 125783280008), (4, 62891640004), (8, 31445820002), (16, 15722910001), (19, 13240345264), (38, 6620172632), (76, 3310086316), (152, 1655043158), (304, 827521579), (1973, 127504592), (3946, 63752296), (7892, 31876148), (15784, 15938074), (31568, 7969037), (37487, 6710768), (74974, 3355384), (149948, 1677692), (299896, 838846), (419423, 599792)]