209214275

素因数分解:

$5^2\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:671

約数の個数: 24

約数和(自身を含む): 263551584

約数和(自身を除く): 54337309

約数列:

[1, 5, 25, 151, 157, 353, 755, 785, 1765, 3775, 3925, 8825, 23707, 53303, 55421, 118535, 266515, 277105, 592675, 1332575, 1385525, 8368571, 41842855, 209214275]

約数ペア:

[(1, 209214275), (5, 41842855), (25, 8368571), (151, 1385525), (157, 1332575), (353, 592675), (755, 277105), (785, 266515), (1765, 118535), (3775, 55421), (3925, 53303), (8825, 23707)]