663772

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 1233792

約数和(自身を除く): 570020

約数列:

[1, 2, 4, 31, 53, 62, 101, 106, 124, 202, 212, 404, 1643, 3131, 3286, 5353, 6262, 6572, 10706, 12524, 21412, 165943, 331886, 663772]

約数ペア:

[(1, 663772), (2, 331886), (4, 165943), (31, 21412), (53, 12524), (62, 10706), (101, 6572), (106, 6262), (124, 5353), (202, 3286), (212, 3131), (404, 1643)]