71286775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:328

約数の個数: 48

約数和(自身を含む): 107136000

約数和(自身を除く): 35849225

約数列:

[1, 5, 7, 23, 25, 35, 89, 115, 161, 175, 199, 445, 575, 623, 805, 995, 1393, 2047, 2225, 3115, 4025, 4577, 4975, 6965, 10235, 14329, 15575, 17711, 22885, 32039, 34825, 51175, 71645, 88555, 114425, 123977, 160195, 358225, 407353, 442775, 619885, 800975, 2036765, 2851471, 3099425, 10183825, 14257355, 71286775]

約数ペア:

[(1, 71286775), (5, 14257355), (7, 10183825), (23, 3099425), (25, 2851471), (35, 2036765), (89, 800975), (115, 619885), (161, 442775), (175, 407353), (199, 358225), (445, 160195), (575, 123977), (623, 114425), (805, 88555), (995, 71645), (1393, 51175), (2047, 34825), (2225, 32039), (3115, 22885), (4025, 17711), (4577, 15575), (4975, 14329), (6965, 10235)]