68712176

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{330347}}^1$

素因数の和:330368

約数の個数: 20

約数和(自身を含む): 143371032

約数和(自身を除く): 74658856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 330347, 660694, 1321388, 2642776, 4294511, 5285552, 8589022, 17178044, 34356088, 68712176]

約数ペア:

[(1, 68712176), (2, 34356088), (4, 17178044), (8, 8589022), (13, 5285552), (16, 4294511), (26, 2642776), (52, 1321388), (104, 660694), (208, 330347)]