11781908

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 21115752

約数和(自身を除く): 9333844

約数列:

[1, 2, 4, 73, 146, 157, 257, 292, 314, 514, 628, 1028, 11461, 18761, 22922, 37522, 40349, 45844, 75044, 80698, 161396, 2945477, 5890954, 11781908]

約数ペア:

[(1, 11781908), (2, 5890954), (4, 2945477), (73, 161396), (146, 80698), (157, 75044), (257, 45844), (292, 40349), (314, 37522), (514, 22922), (628, 18761), (1028, 11461)]