172742185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{26393}}^1$

素因数の和:26433

約数の個数: 32

約数和(自身を含む): 273652992

約数和(自身を除く): 100910807

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 187, 385, 595, 935, 1309, 6545, 26393, 131965, 184751, 290323, 448681, 923755, 1451615, 2032261, 2243405, 3140767, 4935491, 10161305, 15703835, 24677455, 34548437, 172742185]

約数ペア:

[(1, 172742185), (5, 34548437), (7, 24677455), (11, 15703835), (17, 10161305), (35, 4935491), (55, 3140767), (77, 2243405), (85, 2032261), (119, 1451615), (187, 923755), (385, 448681), (595, 290323), (935, 184751), (1309, 131965), (6545, 26393)]