138540913

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{599}}^1$

素因数の和:709

約数の個数: 32

約数和(自身を含む): 175104000

約数和(自身を除く): 36563087

約数列:

[1, 7, 19, 37, 47, 133, 259, 329, 599, 703, 893, 1739, 4193, 4921, 6251, 11381, 12173, 22163, 28153, 33041, 79667, 155141, 197071, 231287, 421097, 534907, 1041661, 2947679, 3744349, 7291627, 19791559, 138540913]

約数ペア:

[(1, 138540913), (7, 19791559), (19, 7291627), (37, 3744349), (47, 2947679), (133, 1041661), (259, 534907), (329, 421097), (599, 231287), (703, 197071), (893, 155141), (1739, 79667), (4193, 33041), (4921, 28153), (6251, 22163), (11381, 12173)]