13180475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 20998656

約数和(自身を除く): 7818181

約数列:

[1, 5, 7, 11, 25, 35, 41, 55, 77, 167, 175, 205, 275, 287, 385, 451, 835, 1025, 1169, 1435, 1837, 1925, 2255, 3157, 4175, 5845, 6847, 7175, 9185, 11275, 12859, 15785, 29225, 34235, 45925, 47929, 64295, 75317, 78925, 171175, 239645, 321475, 376585, 527219, 1198225, 1882925, 2636095, 13180475]

約数ペア:

[(1, 13180475), (5, 2636095), (7, 1882925), (11, 1198225), (25, 527219), (35, 376585), (41, 321475), (55, 239645), (77, 171175), (167, 78925), (175, 75317), (205, 64295), (275, 47929), (287, 45925), (385, 34235), (451, 29225), (835, 15785), (1025, 12859), (1169, 11275), (1435, 9185), (1837, 7175), (1925, 6847), (2255, 5845), (3157, 4175)]