2019986339

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{2393}}^1$

素因数の和:2544

約数の個数: 32

約数和(自身を含む): 2482099200

約数和(自身を除く): 462112861

約数列:

[1, 7, 23, 49, 107, 161, 343, 749, 1127, 2393, 2461, 5243, 7889, 16751, 17227, 36701, 55039, 117257, 120589, 256051, 385273, 820799, 844123, 1792357, 2696911, 5889173, 12546499, 18878377, 41224211, 87825493, 288569477, 2019986339]

約数ペア:

[(1, 2019986339), (7, 288569477), (23, 87825493), (49, 41224211), (107, 18878377), (161, 12546499), (343, 5889173), (749, 2696911), (1127, 1792357), (2393, 844123), (2461, 820799), (5243, 385273), (7889, 256051), (16751, 120589), (17227, 117257), (36701, 55039)]