663668044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{209227}}^1$

素因数の和:209305

約数の個数: 24

約数和(自身を含む): 1271269328

約数和(自身を除く): 607601284

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 209227, 418454, 836908, 2719951, 5439902, 10879804, 12762847, 25525694, 51051388, 165917011, 331834022, 663668044]

約数ペア:

[(1, 663668044), (2, 331834022), (4, 165917011), (13, 51051388), (26, 25525694), (52, 12762847), (61, 10879804), (122, 5439902), (244, 2719951), (793, 836908), (1586, 418454), (3172, 209227)]