25125128

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:438

約数の個数: 64

約数和(自身を含む): 57093120

約数和(自身を除く): 31967992

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 41, 56, 62, 82, 124, 164, 217, 248, 287, 328, 353, 434, 574, 706, 868, 1148, 1271, 1412, 1736, 2296, 2471, 2542, 2824, 4942, 5084, 8897, 9884, 10168, 10943, 14473, 17794, 19768, 21886, 28946, 35588, 43772, 57892, 71176, 76601, 87544, 101311, 115784, 153202, 202622, 306404, 405244, 448663, 612808, 810488, 897326, 1794652, 3140641, 3589304, 6281282, 12562564, 25125128]

約数ペア:

[(1, 25125128), (2, 12562564), (4, 6281282), (7, 3589304), (8, 3140641), (14, 1794652), (28, 897326), (31, 810488), (41, 612808), (56, 448663), (62, 405244), (82, 306404), (124, 202622), (164, 153202), (217, 115784), (248, 101311), (287, 87544), (328, 76601), (353, 71176), (434, 57892), (574, 43772), (706, 35588), (868, 28946), (1148, 21886), (1271, 19768), (1412, 17794), (1736, 14473), (2296, 10943), (2471, 10168), (2542, 9884), (2824, 8897), (4942, 5084)]