27990172

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:935

約数の個数: 48

約数和(自身を含む): 59673600

約数和(自身を除く): 31683428

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 49, 92, 98, 161, 196, 322, 343, 644, 686, 887, 1127, 1372, 1774, 2254, 3548, 4508, 6209, 7889, 12418, 15778, 20401, 24836, 31556, 40802, 43463, 81604, 86926, 142807, 173852, 285614, 304241, 571228, 608482, 999649, 1216964, 1999298, 3998596, 6997543, 13995086, 27990172]

約数ペア:

[(1, 27990172), (2, 13995086), (4, 6997543), (7, 3998596), (14, 1999298), (23, 1216964), (28, 999649), (46, 608482), (49, 571228), (92, 304241), (98, 285614), (161, 173852), (196, 142807), (322, 86926), (343, 81604), (644, 43463), (686, 40802), (887, 31556), (1127, 24836), (1372, 20401), (1774, 15778), (2254, 12418), (3548, 7889), (4508, 6209)]