389048716

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{277}}^1\times {\mathrm{487}}^1$

素因数の和:878

約数の個数: 48

約数和(自身を含む): 790107136

約数和(自身を除く): 401058420

約数列:

[1, 2, 4, 7, 14, 28, 103, 206, 277, 412, 487, 554, 721, 974, 1108, 1442, 1939, 1948, 2884, 3409, 3878, 6818, 7756, 13636, 28531, 50161, 57062, 100322, 114124, 134899, 199717, 200644, 269798, 351127, 399434, 539596, 702254, 798868, 944293, 1404508, 1888586, 3777172, 13894597, 27789194, 55578388, 97262179, 194524358, 389048716]

約数ペア:

[(1, 389048716), (2, 194524358), (4, 97262179), (7, 55578388), (14, 27789194), (28, 13894597), (103, 3777172), (206, 1888586), (277, 1404508), (412, 944293), (487, 798868), (554, 702254), (721, 539596), (974, 399434), (1108, 351127), (1442, 269798), (1939, 200644), (1948, 199717), (2884, 134899), (3409, 114124), (3878, 100322), (6818, 57062), (7756, 50161), (13636, 28531)]