205999205

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{4127}}^1$

素因数の和:4348

約数の個数: 16

約数和(自身を含む): 252633600

約数和(自身を除く): 46634395

約数列:

[1, 5, 67, 149, 335, 745, 4127, 9983, 20635, 49915, 276509, 614923, 1382545, 3074615, 41199841, 205999205]

約数ペア:

[(1, 205999205), (5, 41199841), (67, 3074615), (149, 1382545), (335, 614923), (745, 276509), (4127, 49915), (9983, 20635)]