644294872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{6195143}}^1$

素因数の和:6195162

約数の個数: 16

約数和(自身を含む): 1300980240

約数和(自身を除く): 656685368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 6195143, 12390286, 24780572, 49561144, 80536859, 161073718, 322147436, 644294872]

約数ペア:

[(1, 644294872), (2, 322147436), (4, 161073718), (8, 80536859), (13, 49561144), (26, 24780572), (52, 12390286), (104, 6195143)]