68988997

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{1733}}^1$

素因数の和:1809

約数の個数: 24

約数和(自身を含む): 88558848

約数和(自身を除く): 19569851

約数列:

[1, 7, 11, 47, 77, 121, 329, 517, 847, 1733, 3619, 5687, 12131, 19063, 39809, 81451, 133441, 209693, 570157, 895961, 1467851, 6271727, 9855571, 68988997]

約数ペア:

[(1, 68988997), (7, 9855571), (11, 6271727), (47, 1467851), (77, 895961), (121, 570157), (329, 209693), (517, 133441), (847, 81451), (1733, 39809), (3619, 19063), (5687, 12131)]