78880952

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{523}}^1\times {\mathrm{1109}}^1$

素因数の和:1655

約数の個数: 32

約数和(自身を含む): 157042800

約数和(自身を除く): 78161848

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 523, 1046, 1109, 2092, 2218, 4184, 4436, 8872, 8891, 17782, 18853, 35564, 37706, 71128, 75412, 150824, 580007, 1160014, 2320028, 4640056, 9860119, 19720238, 39440476, 78880952]

約数ペア:

[(1, 78880952), (2, 39440476), (4, 19720238), (8, 9860119), (17, 4640056), (34, 2320028), (68, 1160014), (136, 580007), (523, 150824), (1046, 75412), (1109, 71128), (2092, 37706), (2218, 35564), (4184, 18853), (4436, 17782), (8872, 8891)]