208451425

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1553}}^1$

素因数の和:1642

約数の個数: 48

約数和(自身を含む): 323729280

約数和(自身を除く): 115277855

約数列:

[1, 5, 7, 13, 25, 35, 59, 65, 91, 175, 295, 325, 413, 455, 767, 1475, 1553, 2065, 2275, 3835, 5369, 7765, 10325, 10871, 19175, 20189, 26845, 38825, 54355, 91627, 100945, 134225, 141323, 271775, 458135, 504725, 641389, 706615, 1191151, 2290675, 3206945, 3533075, 5955755, 8338057, 16034725, 29778775, 41690285, 208451425]

約数ペア:

[(1, 208451425), (5, 41690285), (7, 29778775), (13, 16034725), (25, 8338057), (35, 5955755), (59, 3533075), (65, 3206945), (91, 2290675), (175, 1191151), (295, 706615), (325, 641389), (413, 504725), (455, 458135), (767, 271775), (1475, 141323), (1553, 134225), (2065, 100945), (2275, 91627), (3835, 54355), (5369, 38825), (7765, 26845), (10325, 20189), (10871, 19175)]