66218495

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1913}}^1$

素因数の和:1991

約数の個数: 32

約数和(自身を含む): 97016832

約数和(自身を除く): 30798337

約数列:

[1, 5, 7, 23, 35, 43, 115, 161, 215, 301, 805, 989, 1505, 1913, 4945, 6923, 9565, 13391, 34615, 43999, 66955, 82259, 219995, 307993, 411295, 575813, 1539965, 1891957, 2879065, 9459785, 13243699, 66218495]

約数ペア:

[(1, 66218495), (5, 13243699), (7, 9459785), (23, 2879065), (35, 1891957), (43, 1539965), (115, 575813), (161, 411295), (215, 307993), (301, 219995), (805, 82259), (989, 66955), (1505, 43999), (1913, 34615), (4945, 13391), (6923, 9565)]