99985921

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 120284136

約数和(自身を除く): 20298215

約数列:

[1, 7, 41, 49, 157, 287, 317, 1099, 2009, 2219, 6437, 7693, 12997, 15533, 45059, 49769, 90979, 315413, 348383, 636853, 2040529, 2438681, 14283703, 99985921]

約数ペア:

[(1, 99985921), (7, 14283703), (41, 2438681), (49, 2040529), (157, 636853), (287, 348383), (317, 315413), (1099, 90979), (2009, 49769), (2219, 45059), (6437, 15533), (7693, 12997)]