138355511

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1539

約数の個数: 32

約数和(自身を含む): 179404800

約数和(自身を除く): 41049289

約数列:

[1, 7, 19, 23, 31, 133, 161, 217, 437, 589, 713, 1459, 3059, 4123, 4991, 10213, 13547, 27721, 33557, 45229, 94829, 194047, 234899, 316603, 637583, 859351, 1040267, 4463081, 6015457, 7281869, 19765073, 138355511]

約数ペア:

[(1, 138355511), (7, 19765073), (19, 7281869), (23, 6015457), (31, 4463081), (133, 1040267), (161, 859351), (217, 637583), (437, 316603), (589, 234899), (713, 194047), (1459, 94829), (3059, 45229), (4123, 33557), (4991, 27721), (10213, 13547)]