81632915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{373}}^1$

素因数の和:448

約数の個数: 48

約数和(自身を含む): 124838208

約数和(自身を除く): 43205293

約数列:

[1, 5, 7, 13, 35, 37, 65, 91, 169, 185, 259, 373, 455, 481, 845, 1183, 1295, 1865, 2405, 2611, 3367, 4849, 5915, 6253, 13055, 13801, 16835, 24245, 31265, 33943, 43771, 63037, 69005, 96607, 169715, 179413, 218855, 315185, 441259, 483035, 897065, 1255891, 2206295, 2332369, 6279455, 11661845, 16326583, 81632915]

約数ペア:

[(1, 81632915), (5, 16326583), (7, 11661845), (13, 6279455), (35, 2332369), (37, 2206295), (65, 1255891), (91, 897065), (169, 483035), (185, 441259), (259, 315185), (373, 218855), (455, 179413), (481, 169715), (845, 96607), (1183, 69005), (1295, 63037), (1865, 43771), (2405, 33943), (2611, 31265), (3367, 24245), (4849, 16835), (5915, 13801), (6253, 13055)]