128789038

素因数分解:

$2^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{81409}}^1$

素因数の和:81531

約数の個数: 16

約数和(自身を含む): 222737760

約数和(自身を除く): 93948722

約数列:

[1, 2, 7, 14, 113, 226, 791, 1582, 81409, 162818, 569863, 1139726, 9199217, 18398434, 64394519, 128789038]

約数ペア:

[(1, 128789038), (2, 64394519), (7, 18398434), (14, 9199217), (113, 1139726), (226, 569863), (791, 162818), (1582, 81409)]