138906145

素因数分解:

$5^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{2789}}^1$

素因数の和:4224

約数の個数: 16

約数和(自身を含む): 190702080

約数和(自身を除く): 51795935

約数列:

[1, 5, 7, 35, 1423, 2789, 7115, 9961, 13945, 19523, 49805, 97615, 3968747, 19843735, 27781229, 138906145]

約数ペア:

[(1, 138906145), (5, 27781229), (7, 19843735), (35, 3968747), (1423, 97615), (2789, 49805), (7115, 19523), (9961, 13945)]