30886988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{9887}}^1$

素因数の和:9973

約数の個数: 24

約数和(自身を含む): 59802624

約数和(自身を除く): 28915636

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 9887, 19774, 39548, 108757, 217514, 435028, 701977, 1403954, 2807908, 7721747, 15443494, 30886988]

約数ペア:

[(1, 30886988), (2, 15443494), (4, 7721747), (11, 2807908), (22, 1403954), (44, 701977), (71, 435028), (142, 217514), (284, 108757), (781, 39548), (1562, 19774), (3124, 9887)]