81683128

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2969}}^1$

素因数の和:3175

約数の個数: 32

約数和(自身を含む): 162162000

約数和(自身を除く): 80478872

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 181, 362, 724, 1448, 2969, 3439, 5938, 6878, 11876, 13756, 23752, 27512, 56411, 112822, 225644, 451288, 537389, 1074778, 2149556, 4299112, 10210391, 20420782, 40841564, 81683128]

約数ペア:

[(1, 81683128), (2, 40841564), (4, 20420782), (8, 10210391), (19, 4299112), (38, 2149556), (76, 1074778), (152, 537389), (181, 451288), (362, 225644), (724, 112822), (1448, 56411), (2969, 27512), (3439, 23752), (5938, 13756), (6878, 11876)]