291228295

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2857}}^1$

素因数の和:2947

約数の個数: 32

約数和(自身を含む): 390974400

約数和(自身を除く): 99746105

約数列:

[1, 5, 19, 29, 37, 95, 145, 185, 551, 703, 1073, 2755, 2857, 3515, 5365, 14285, 20387, 54283, 82853, 101935, 105709, 271415, 414265, 528545, 1574207, 2008471, 3065561, 7871035, 10042355, 15327805, 58245659, 291228295]

約数ペア:

[(1, 291228295), (5, 58245659), (19, 15327805), (29, 10042355), (37, 7871035), (95, 3065561), (145, 2008471), (185, 1574207), (551, 528545), (703, 414265), (1073, 271415), (2755, 105709), (2857, 101935), (3515, 82853), (5365, 54283), (14285, 20387)]