205917985

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8539}}^1$

素因数の和:8617

約数の個数: 32

約数和(自身を含む): 309899520

約数和(自身を除く): 103981535

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 265, 371, 455, 689, 1855, 3445, 4823, 8539, 24115, 42695, 59773, 111007, 298865, 452567, 555035, 777049, 2262835, 3167969, 3885245, 5883371, 15839845, 29416855, 41183597, 205917985]

約数ペア:

[(1, 205917985), (5, 41183597), (7, 29416855), (13, 15839845), (35, 5883371), (53, 3885245), (65, 3167969), (91, 2262835), (265, 777049), (371, 555035), (455, 452567), (689, 298865), (1855, 111007), (3445, 59773), (4823, 42695), (8539, 24115)]