7989275

素因数分解:

$5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{643}}^1$

素因数の和:731

約数の個数: 24

約数和(自身を含む): 11499264

約数和(自身を除く): 3509989

約数列:

[1, 5, 7, 25, 35, 71, 175, 355, 497, 643, 1775, 2485, 3215, 4501, 12425, 16075, 22505, 45653, 112525, 228265, 319571, 1141325, 1597855, 7989275]

約数ペア:

[(1, 7989275), (5, 1597855), (7, 1141325), (25, 319571), (35, 228265), (71, 112525), (175, 45653), (355, 22505), (497, 16075), (643, 12425), (1775, 4501), (2485, 3215)]