128691010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{8713}}^1$

素因数の和:8938

約数の個数: 32

約数和(自身を含む): 266020992

約数和(自身を除く): 137329982

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 8713, 14770, 17426, 43565, 60991, 87130, 121982, 304955, 609910, 1838443, 3676886, 9192215, 12869101, 18384430, 25738202, 64345505, 128691010]

約数ペア:

[(1, 128691010), (2, 64345505), (5, 25738202), (7, 18384430), (10, 12869101), (14, 9192215), (35, 3676886), (70, 1838443), (211, 609910), (422, 304955), (1055, 121982), (1477, 87130), (2110, 60991), (2954, 43565), (7385, 17426), (8713, 14770)]