9877990

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{21017}}^1$

素因数の和:21071

約数の個数: 16

約数和(自身を含む): 18159552

約数和(自身を除く): 8281562

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 21017, 42034, 105085, 210170, 987799, 1975598, 4938995, 9877990]

約数ペア:

[(1, 9877990), (2, 4938995), (5, 1975598), (10, 987799), (47, 210170), (94, 105085), (235, 42034), (470, 21017)]