8670025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 13721344

約数和(自身を除く): 5051319

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 103, 175, 185, 259, 325, 455, 481, 515, 721, 925, 1295, 1339, 2275, 2405, 2575, 3367, 3605, 3811, 6475, 6695, 9373, 12025, 16835, 18025, 19055, 26677, 33475, 46865, 49543, 84175, 95275, 133385, 234325, 247715, 346801, 666925, 1238575, 1734005, 8670025]

約数ペア:

[(1, 8670025), (5, 1734005), (7, 1238575), (13, 666925), (25, 346801), (35, 247715), (37, 234325), (65, 133385), (91, 95275), (103, 84175), (175, 49543), (185, 46865), (259, 33475), (325, 26677), (455, 19055), (481, 18025), (515, 16835), (721, 12025), (925, 9373), (1295, 6695), (1339, 6475), (2275, 3811), (2405, 3605), (2575, 3367)]