172831315

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{953}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 230791680

約数和(自身を除く): 57960365

約数列:

[1, 5, 19, 23, 83, 95, 115, 415, 437, 953, 1577, 1909, 2185, 4765, 7885, 9545, 18107, 21919, 36271, 79099, 90535, 109595, 181355, 395495, 416461, 1502881, 1819277, 2082305, 7514405, 9096385, 34566263, 172831315]

約数ペア:

[(1, 172831315), (5, 34566263), (19, 9096385), (23, 7514405), (83, 2082305), (95, 1819277), (115, 1502881), (415, 416461), (437, 395495), (953, 181355), (1577, 109595), (1909, 90535), (2185, 79099), (4765, 36271), (7885, 21919), (9545, 18107)]