25891138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:419

約数の個数: 48

約数和(自身を含む): 49752576

約数和(自身を除く): 23861438

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 169, 182, 217, 338, 353, 403, 434, 706, 806, 1183, 2366, 2471, 2821, 4589, 4942, 5239, 5642, 9178, 10478, 10943, 21886, 32123, 36673, 59657, 64246, 73346, 76601, 119314, 142259, 153202, 284518, 417599, 835198, 995813, 1849367, 1991626, 3698734, 12945569, 25891138]

約数ペア:

[(1, 25891138), (2, 12945569), (7, 3698734), (13, 1991626), (14, 1849367), (26, 995813), (31, 835198), (62, 417599), (91, 284518), (169, 153202), (182, 142259), (217, 119314), (338, 76601), (353, 73346), (403, 64246), (434, 59657), (706, 36673), (806, 32123), (1183, 21886), (2366, 10943), (2471, 10478), (2821, 9178), (4589, 5642), (4942, 5239)]