78081718

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{21001}}^1$

素因数の和:21040

約数の個数: 24

約数和(自身を含む): 138361176

約数和(自身を除く): 60279458

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 1859, 3718, 21001, 42002, 231011, 273013, 462022, 546026, 3003143, 3549169, 6006286, 7098338, 39040859, 78081718]

約数ペア:

[(1, 78081718), (2, 39040859), (11, 7098338), (13, 6006286), (22, 3549169), (26, 3003143), (143, 546026), (169, 462022), (286, 273013), (338, 231011), (1859, 42002), (3718, 21001)]