40988717

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 54722304

約数和(自身を除く): 13733587

約数列:

[1, 7, 11, 17, 77, 119, 173, 181, 187, 1211, 1267, 1309, 1903, 1991, 2941, 3077, 13321, 13937, 20587, 21539, 31313, 32351, 33847, 219191, 226457, 236929, 344443, 532321, 2411101, 3726247, 5855531, 40988717]

約数ペア:

[(1, 40988717), (7, 5855531), (11, 3726247), (17, 2411101), (77, 532321), (119, 344443), (173, 236929), (181, 226457), (187, 219191), (1211, 33847), (1267, 32351), (1309, 31313), (1903, 21539), (1991, 20587), (2941, 13937), (3077, 13321)]