86490775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1$

素因数の和:304

約数の個数: 48

約数和(自身を含む): 128563200

約数和(自身を除く): 42072425

約数列:

[1, 5, 7, 25, 31, 35, 107, 149, 155, 175, 217, 535, 745, 749, 775, 1043, 1085, 2675, 3317, 3725, 3745, 4619, 5215, 5425, 15943, 16585, 18725, 23095, 23219, 26075, 32333, 79715, 82925, 111601, 115475, 116095, 161665, 398575, 494233, 558005, 580475, 808325, 2471165, 2790025, 3459631, 12355825, 17298155, 86490775]

約数ペア:

[(1, 86490775), (5, 17298155), (7, 12355825), (25, 3459631), (31, 2790025), (35, 2471165), (107, 808325), (149, 580475), (155, 558005), (175, 494233), (217, 398575), (535, 161665), (745, 116095), (749, 115475), (775, 111601), (1043, 82925), (1085, 79715), (2675, 32333), (3317, 26075), (3725, 23219), (3745, 23095), (4619, 18725), (5215, 16585), (5425, 15943)]