256231684

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{947}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 498814848

約数和(自身を除く): 242583164

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 173, 346, 391, 692, 782, 947, 1564, 1894, 2941, 3788, 3979, 5882, 7958, 11764, 15916, 16099, 21781, 32198, 43562, 64396, 67643, 87124, 135286, 163831, 270572, 327662, 370277, 655324, 740554, 1481108, 2785127, 3768113, 5570254, 7536226, 11140508, 15072452, 64057921, 128115842, 256231684]

約数ペア:

[(1, 256231684), (2, 128115842), (4, 64057921), (17, 15072452), (23, 11140508), (34, 7536226), (46, 5570254), (68, 3768113), (92, 2785127), (173, 1481108), (346, 740554), (391, 655324), (692, 370277), (782, 327662), (947, 270572), (1564, 163831), (1894, 135286), (2941, 87124), (3788, 67643), (3979, 64396), (5882, 43562), (7958, 32198), (11764, 21781), (15916, 16099)]