389417908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{285497}}^1$

素因数の和:285543

約数の個数: 24

約数和(自身を含む): 767418624

約数和(自身を除く): 378000716

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 285497, 570994, 1141988, 3140467, 6280934, 8850407, 12561868, 17700814, 35401628, 97354477, 194708954, 389417908]

約数ペア:

[(1, 389417908), (2, 194708954), (4, 97354477), (11, 35401628), (22, 17700814), (31, 12561868), (44, 8850407), (62, 6280934), (124, 3140467), (341, 1141988), (682, 570994), (1364, 285497)]