396171475

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 585994240

約数和(自身を除く): 189822765

約数列:

[1, 5, 7, 25, 31, 35, 103, 155, 175, 217, 515, 709, 721, 775, 1085, 2575, 3193, 3545, 3605, 4963, 5425, 15965, 17725, 18025, 21979, 22351, 24815, 73027, 79825, 109895, 111755, 124075, 153853, 365135, 511189, 549475, 558775, 769265, 1825675, 2263837, 2555945, 3846325, 11319185, 12779725, 15846859, 56595925, 79234295, 396171475]

約数ペア:

[(1, 396171475), (5, 79234295), (7, 56595925), (25, 15846859), (31, 12779725), (35, 11319185), (103, 3846325), (155, 2555945), (175, 2263837), (217, 1825675), (515, 769265), (709, 558775), (721, 549475), (775, 511189), (1085, 365135), (2575, 153853), (3193, 124075), (3545, 111755), (3605, 109895), (4963, 79825), (5425, 73027), (15965, 24815), (17725, 22351), (18025, 21979)]