172974241

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 203212800

約数和(自身を除く): 30238559

約数列:

[1, 11, 29, 47, 83, 139, 319, 517, 913, 1363, 1529, 2407, 3901, 4031, 6533, 11537, 14993, 26477, 42911, 44341, 71863, 113129, 126907, 189457, 334573, 542239, 1244419, 2084027, 3680303, 5964629, 15724931, 172974241]

約数ペア:

[(1, 172974241), (11, 15724931), (29, 5964629), (47, 3680303), (83, 2084027), (139, 1244419), (319, 542239), (517, 334573), (913, 189457), (1363, 126907), (1529, 113129), (2407, 71863), (3901, 44341), (4031, 42911), (6533, 26477), (11537, 14993)]