128968246

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1489}}^1$

素因数の和:1660

約数の個数: 32

約数和(自身を含む): 219709440

約数和(自身を除く): 90741194

約数列:

[1, 2, 11, 22, 31, 62, 127, 254, 341, 682, 1397, 1489, 2794, 2978, 3937, 7874, 16379, 32758, 43307, 46159, 86614, 92318, 189103, 378206, 507749, 1015498, 2080133, 4160266, 5862193, 11724386, 64484123, 128968246]

約数ペア:

[(1, 128968246), (2, 64484123), (11, 11724386), (22, 5862193), (31, 4160266), (62, 2080133), (127, 1015498), (254, 507749), (341, 378206), (682, 189103), (1397, 92318), (1489, 86614), (2794, 46159), (2978, 43307), (3937, 32758), (7874, 16379)]