68564881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{317}}^1$

素因数の和:441

約数の個数: 24

約数和(自身を含む): 87401664

約数和(自身を除く): 18836783

約数列:

[1, 7, 11, 53, 77, 317, 371, 583, 2219, 2809, 3487, 4081, 16801, 19663, 24409, 30899, 117607, 184811, 216293, 890453, 1293677, 6233171, 9794983, 68564881]

約数ペア:

[(1, 68564881), (7, 9794983), (11, 6233171), (53, 1293677), (77, 890453), (317, 216293), (371, 184811), (583, 117607), (2219, 30899), (2809, 24409), (3487, 19663), (4081, 16801)]