256912376

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{7789}}^1$

素因数の和:7852

約数の個数: 64

約数和(自身を含む): 598272000

約数和(自身を除く): 341359624

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 31, 38, 56, 62, 76, 124, 133, 152, 217, 248, 266, 434, 532, 589, 868, 1064, 1178, 1736, 2356, 4123, 4712, 7789, 8246, 15578, 16492, 31156, 32984, 54523, 62312, 109046, 147991, 218092, 241459, 295982, 436184, 482918, 591964, 965836, 1035937, 1183928, 1690213, 1931672, 2071874, 3380426, 4143748, 4587721, 6760852, 8287496, 9175442, 13521704, 18350884, 32114047, 36701768, 64228094, 128456188, 256912376]

約数ペア:

[(1, 256912376), (2, 128456188), (4, 64228094), (7, 36701768), (8, 32114047), (14, 18350884), (19, 13521704), (28, 9175442), (31, 8287496), (38, 6760852), (56, 4587721), (62, 4143748), (76, 3380426), (124, 2071874), (133, 1931672), (152, 1690213), (217, 1183928), (248, 1035937), (266, 965836), (434, 591964), (532, 482918), (589, 436184), (868, 295982), (1064, 241459), (1178, 218092), (1736, 147991), (2356, 109046), (4123, 62312), (4712, 54523), (7789, 32984), (8246, 31156), (15578, 16492)]