207809615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3083}}^1$

素因数の和:3179

約数の個数: 32

約数和(自身を含む): 289106496

約数和(自身を除く): 81296881

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 3083, 3965, 5185, 13481, 15415, 40079, 52411, 67405, 188063, 200395, 262055, 681343, 940315, 2444819, 3197071, 3406715, 12224095, 15985355, 41561923, 207809615]

約数ペア:

[(1, 207809615), (5, 41561923), (13, 15985355), (17, 12224095), (61, 3406715), (65, 3197071), (85, 2444819), (221, 940315), (305, 681343), (793, 262055), (1037, 200395), (1105, 188063), (3083, 67405), (3965, 52411), (5185, 40079), (13481, 15415)]