208987952

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{233}}^1\times {\mathrm{919}}^1$

素因数の和:1221

約数の個数: 40

約数和(自身を含む): 413768160

約数和(自身を除く): 204780208

約数列:

[1, 2, 4, 8, 16, 61, 122, 233, 244, 466, 488, 919, 932, 976, 1838, 1864, 3676, 3728, 7352, 14213, 14704, 28426, 56059, 56852, 112118, 113704, 214127, 224236, 227408, 428254, 448472, 856508, 896944, 1713016, 3426032, 13061747, 26123494, 52246988, 104493976, 208987952]

約数ペア:

[(1, 208987952), (2, 104493976), (4, 52246988), (8, 26123494), (16, 13061747), (61, 3426032), (122, 1713016), (233, 896944), (244, 856508), (466, 448472), (488, 428254), (919, 227408), (932, 224236), (976, 214127), (1838, 113704), (1864, 112118), (3676, 56852), (3728, 56059), (7352, 28426), (14213, 14704)]