66689410

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{64747}}^1$

素因数の和:64857

約数の個数: 16

約数和(自身を含む): 121208256

約数和(自身を除く): 54518846

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 64747, 129494, 323735, 647470, 6668941, 13337882, 33344705, 66689410]

約数ペア:

[(1, 66689410), (2, 33344705), (5, 13337882), (10, 6668941), (103, 647470), (206, 323735), (515, 129494), (1030, 64747)]