139609810

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{21121}}^1$

素因数の和:21789

約数の個数: 16

約数和(自身を含む): 251689752

約数和(自身を除く): 112079942

約数列:

[1, 2, 5, 10, 661, 1322, 3305, 6610, 21121, 42242, 105605, 211210, 13960981, 27921962, 69804905, 139609810]

約数ペア:

[(1, 139609810), (2, 69804905), (5, 27921962), (10, 13960981), (661, 211210), (1322, 105605), (3305, 42242), (6610, 21121)]