128777968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{23603}}^1$

素因数の和:23653

約数の個数: 40

約数和(自身を含む): 280982016

約数和(自身を除く): 152204048

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 88, 124, 176, 248, 341, 496, 682, 1364, 2728, 5456, 23603, 47206, 94412, 188824, 259633, 377648, 519266, 731693, 1038532, 1463386, 2077064, 2926772, 4154128, 5853544, 8048623, 11707088, 16097246, 32194492, 64388984, 128777968]

約数ペア:

[(1, 128777968), (2, 64388984), (4, 32194492), (8, 16097246), (11, 11707088), (16, 8048623), (22, 5853544), (31, 4154128), (44, 2926772), (62, 2077064), (88, 1463386), (124, 1038532), (176, 731693), (248, 519266), (341, 377648), (496, 259633), (682, 188824), (1364, 94412), (2728, 47206), (5456, 23603)]