71640496

素因数分解:

$2^4\times {\mathrm{811}}^1\times {\mathrm{5521}}^1$

素因数の和:6340

約数の個数: 20

約数和(自身を含む): 138999784

約数和(自身を除く): 67359288

約数列:

[1, 2, 4, 8, 16, 811, 1622, 3244, 5521, 6488, 11042, 12976, 22084, 44168, 88336, 4477531, 8955062, 17910124, 35820248, 71640496]

約数ペア:

[(1, 71640496), (2, 35820248), (4, 17910124), (8, 8955062), (16, 4477531), (811, 88336), (1622, 44168), (3244, 22084), (5521, 12976), (6488, 11042)]