40490219

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1747}}^1$

素因数の和:1815

約数の個数: 24

約数和(自身を含む): 52607808

約数和(自身を除く): 12117589

約数列:

[1, 7, 11, 43, 49, 77, 301, 473, 539, 1747, 2107, 3311, 12229, 19217, 23177, 75121, 85603, 134519, 525847, 826331, 941633, 3680929, 5784317, 40490219]

約数ペア:

[(1, 40490219), (7, 5784317), (11, 3680929), (43, 941633), (49, 826331), (77, 525847), (301, 134519), (473, 85603), (539, 75121), (1747, 23177), (2107, 19217), (3311, 12229)]