65889868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{3557}}^1$

素因数の和:3993

約数の個数: 24

約数和(自身を含む): 126123984

約数和(自身を除く): 60234116

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1684, 3557, 4631, 7114, 9262, 14228, 18524, 39127, 78254, 156508, 1497497, 2994994, 5989988, 16472467, 32944934, 65889868]

約数ペア:

[(1, 65889868), (2, 32944934), (4, 16472467), (11, 5989988), (22, 2994994), (44, 1497497), (421, 156508), (842, 78254), (1684, 39127), (3557, 18524), (4631, 14228), (7114, 9262)]