255038216

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 536544000

約数和(自身を除く): 281505784

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 229, 323, 431, 458, 646, 862, 916, 1292, 1724, 1832, 2584, 3448, 3893, 4351, 7327, 7786, 8189, 8702, 14654, 15572, 16378, 17404, 29308, 31144, 32756, 34808, 58616, 65512, 73967, 98699, 139213, 147934, 197398, 278426, 295868, 394796, 556852, 591736, 789592, 1113704, 1677883, 1875281, 3355766, 3750562, 6711532, 7501124, 13423064, 15002248, 31879777, 63759554, 127519108, 255038216]

約数ペア:

[(1, 255038216), (2, 127519108), (4, 63759554), (8, 31879777), (17, 15002248), (19, 13423064), (34, 7501124), (38, 6711532), (68, 3750562), (76, 3355766), (136, 1875281), (152, 1677883), (229, 1113704), (323, 789592), (431, 591736), (458, 556852), (646, 394796), (862, 295868), (916, 278426), (1292, 197398), (1724, 147934), (1832, 139213), (2584, 98699), (3448, 73967), (3893, 65512), (4351, 58616), (7327, 34808), (7786, 32756), (8189, 31144), (8702, 29308), (14654, 17404), (15572, 16378)]