128566904

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{3853}}^1$

素因数の和:3999

約数の個数: 32

約数和(自身を含む): 249276720

約数和(自身を除く): 120709816

約数列:

[1, 2, 4, 8, 43, 86, 97, 172, 194, 344, 388, 776, 3853, 4171, 7706, 8342, 15412, 16684, 30824, 33368, 165679, 331358, 373741, 662716, 747482, 1325432, 1494964, 2989928, 16070863, 32141726, 64283452, 128566904]

約数ペア:

[(1, 128566904), (2, 64283452), (4, 32141726), (8, 16070863), (43, 2989928), (86, 1494964), (97, 1325432), (172, 747482), (194, 662716), (344, 373741), (388, 331358), (776, 165679), (3853, 33368), (4171, 30824), (7706, 16684), (8342, 15412)]