31139710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{673}}^1$

素因数の和:1348

約数の個数: 32

約数和(自身を含む): 64251072

約数和(自身を除く): 33111362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 661, 673, 1322, 1346, 3305, 3365, 4627, 4711, 6610, 6730, 9254, 9422, 23135, 23555, 46270, 47110, 444853, 889706, 2224265, 3113971, 4448530, 6227942, 15569855, 31139710]

約数ペア:

[(1, 31139710), (2, 15569855), (5, 6227942), (7, 4448530), (10, 3113971), (14, 2224265), (35, 889706), (70, 444853), (661, 47110), (673, 46270), (1322, 23555), (1346, 23135), (3305, 9422), (3365, 9254), (4627, 6730), (4711, 6610)]