2021691815

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{463}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 2963423232

約数和(自身を除く): 941731417

約数列:

[1, 5, 11, 13, 31, 55, 65, 143, 155, 197, 341, 403, 463, 715, 985, 1705, 2015, 2167, 2315, 2561, 4433, 5093, 6019, 6107, 10835, 12805, 14353, 22165, 25465, 28171, 30095, 30535, 66209, 67177, 71765, 79391, 91211, 140855, 157883, 186589, 331045, 335885, 396955, 456055, 789415, 873301, 932945, 1003321, 1185743, 2052479, 2827541, 4366505, 5016605, 5928715, 10262395, 13043173, 14137705, 31102951, 36758033, 65215865, 155514755, 183790165, 404338363, 2021691815]

約数ペア:

[(1, 2021691815), (5, 404338363), (11, 183790165), (13, 155514755), (31, 65215865), (55, 36758033), (65, 31102951), (143, 14137705), (155, 13043173), (197, 10262395), (341, 5928715), (403, 5016605), (463, 4366505), (715, 2827541), (985, 2052479), (1705, 1185743), (2015, 1003321), (2167, 932945), (2315, 873301), (2561, 789415), (4433, 456055), (5093, 396955), (6019, 335885), (6107, 331045), (10835, 186589), (12805, 157883), (14353, 140855), (22165, 91211), (25465, 79391), (28171, 71765), (30095, 67177), (30535, 66209)]