99990821

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{307}}^1$

素因数の和:378

約数の個数: 36

約数和(自身を含む): 129352608

約数和(自身を除く): 29361787

約数列:

[1, 7, 17, 23, 49, 119, 161, 289, 307, 391, 833, 1127, 2023, 2149, 2737, 5219, 6647, 7061, 14161, 15043, 19159, 36533, 46529, 49427, 88723, 120037, 255731, 325703, 345989, 621061, 840259, 2040629, 4347427, 5881813, 14284403, 99990821]

約数ペア:

[(1, 99990821), (7, 14284403), (17, 5881813), (23, 4347427), (49, 2040629), (119, 840259), (161, 621061), (289, 345989), (307, 325703), (391, 255731), (833, 120037), (1127, 88723), (2023, 49427), (2149, 46529), (2737, 36533), (5219, 19159), (6647, 15043), (7061, 14161)]