138806305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{6991}}^1$

素因数の和:7045

約数の個数: 24

約数和(自身を含む): 191804544

約数和(自身を除く): 52998239

約数列:

[1, 5, 11, 19, 55, 95, 209, 361, 1045, 1805, 3971, 6991, 19855, 34955, 76901, 132829, 384505, 664145, 1461119, 2523751, 7305595, 12618755, 27761261, 138806305]

約数ペア:

[(1, 138806305), (5, 27761261), (11, 12618755), (19, 7305595), (55, 2523751), (95, 1461119), (209, 664145), (361, 384505), (1045, 132829), (1805, 76901), (3971, 34955), (6991, 19855)]