16561864

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^2\times {\mathrm{67}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 35043120

約数和(自身を除く): 18481256

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 67, 88, 106, 134, 212, 268, 424, 536, 583, 737, 1166, 1474, 2332, 2809, 2948, 3551, 4664, 5618, 5896, 7102, 11236, 14204, 22472, 28408, 30899, 39061, 61798, 78122, 123596, 156244, 188203, 247192, 312488, 376406, 752812, 1505624, 2070233, 4140466, 8280932, 16561864]

約数ペア:

[(1, 16561864), (2, 8280932), (4, 4140466), (8, 2070233), (11, 1505624), (22, 752812), (44, 376406), (53, 312488), (67, 247192), (88, 188203), (106, 156244), (134, 123596), (212, 78122), (268, 61798), (424, 39061), (536, 30899), (583, 28408), (737, 22472), (1166, 14204), (1474, 11236), (2332, 7102), (2809, 5896), (2948, 5618), (3551, 4664)]