87887807

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 112223232

約数和(自身を除く): 24335425

約数列:

[1, 7, 17, 23, 119, 161, 163, 197, 391, 1141, 1379, 2737, 2771, 3349, 3749, 4531, 19397, 23443, 26243, 31717, 32111, 63733, 77027, 224777, 446131, 539189, 545887, 738553, 3821209, 5169871, 12555401, 87887807]

約数ペア:

[(1, 87887807), (7, 12555401), (17, 5169871), (23, 3821209), (119, 738553), (161, 545887), (163, 539189), (197, 446131), (391, 224777), (1141, 77027), (1379, 63733), (2737, 32111), (2771, 31717), (3349, 26243), (3749, 23443), (4531, 19397)]