290877118

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{631}}^1\times {\mathrm{1733}}^1$

素因数の和:2392

約数の個数: 32

約数和(自身を含む): 526026240

約数和(自身を除く): 235149122

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 631, 1262, 1733, 3466, 4417, 8834, 11989, 12131, 23978, 24262, 32927, 65854, 83923, 167846, 230489, 460978, 1093523, 2187046, 7654661, 15309322, 20776937, 41553874, 145438559, 290877118]

約数ペア:

[(1, 290877118), (2, 145438559), (7, 41553874), (14, 20776937), (19, 15309322), (38, 7654661), (133, 2187046), (266, 1093523), (631, 460978), (1262, 230489), (1733, 167846), (3466, 83923), (4417, 65854), (8834, 32927), (11989, 24262), (12131, 23978)]