209965730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1615121}}^1$

素因数の和:1615141

約数の個数: 16

約数和(自身を含む): 407010744

約数和(自身を除く): 197045014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1615121, 3230242, 8075605, 16151210, 20996573, 41993146, 104982865, 209965730]

約数ペア:

[(1, 209965730), (2, 104982865), (5, 41993146), (10, 20996573), (13, 16151210), (26, 8075605), (65, 3230242), (130, 1615121)]