2007495985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^2$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 2771753472

約数和(自身を除く): 764257487

約数列:

[1, 5, 11, 31, 55, 73, 127, 155, 341, 365, 635, 803, 1397, 1705, 2263, 3937, 4015, 6985, 9271, 11315, 16129, 19685, 24893, 43307, 46355, 80645, 101981, 124465, 177419, 216535, 287401, 499999, 509905, 887095, 1177417, 1437005, 2499995, 3161411, 5499989, 5887085, 12951587, 15807055, 27499945, 36499927, 64757935, 182499635, 401499197, 2007495985]

約数ペア:

[(1, 2007495985), (5, 401499197), (11, 182499635), (31, 64757935), (55, 36499927), (73, 27499945), (127, 15807055), (155, 12951587), (341, 5887085), (365, 5499989), (635, 3161411), (803, 2499995), (1397, 1437005), (1705, 1177417), (2263, 887095), (3937, 509905), (4015, 499999), (6985, 287401), (9271, 216535), (11315, 177419), (16129, 124465), (19685, 101981), (24893, 80645), (43307, 46355)]