128225713

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{4259}}^1$

素因数の和:4317

約数の個数: 32

約数和(自身を含む): 176670720

約数和(自身を除く): 48445007

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4259, 4301, 29813, 30107, 46849, 72403, 97957, 327943, 506821, 685699, 796433, 1077527, 1665269, 5575031, 7542689, 11656883, 18317959, 128225713]

約数ペア:

[(1, 128225713), (7, 18317959), (11, 11656883), (17, 7542689), (23, 5575031), (77, 1665269), (119, 1077527), (161, 796433), (187, 685699), (253, 506821), (391, 327943), (1309, 97957), (1771, 72403), (2737, 46849), (4259, 30107), (4301, 29813)]