213496787

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{983}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 272056320

約数和(自身を除く): 58559533

約数列:

[1, 7, 19, 23, 71, 133, 161, 437, 497, 983, 1349, 1633, 3059, 6881, 9443, 11431, 18677, 22609, 31027, 69793, 130739, 158263, 217189, 429571, 488551, 1326067, 1605239, 3006997, 9282469, 11236673, 30499541, 213496787]

約数ペア:

[(1, 213496787), (7, 30499541), (19, 11236673), (23, 9282469), (71, 3006997), (133, 1605239), (161, 1326067), (437, 488551), (497, 429571), (983, 217189), (1349, 158263), (1633, 130739), (3059, 69793), (6881, 31027), (9443, 22609), (11431, 18677)]