71986448

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{21323}}^1$

素因数の和:21542

約数の個数: 20

約数和(自身を含む): 140141328

約数和(自身を除く): 68154880

約数列:

[1, 2, 4, 8, 16, 211, 422, 844, 1688, 3376, 21323, 42646, 85292, 170584, 341168, 4499153, 8998306, 17996612, 35993224, 71986448]

約数ペア:

[(1, 71986448), (2, 35993224), (4, 17996612), (8, 8998306), (16, 4499153), (211, 341168), (422, 170584), (844, 85292), (1688, 42646), (3376, 21323)]