202131785

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{487}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 271952640

約数和(自身を除く): 69820855

約数列:

[1, 5, 17, 19, 85, 95, 257, 323, 487, 1285, 1615, 2435, 4369, 4883, 8279, 9253, 21845, 24415, 41395, 46265, 83011, 125159, 157301, 415055, 625795, 786505, 2127703, 2378021, 10638515, 11890105, 40426357, 202131785]

約数ペア:

[(1, 202131785), (5, 40426357), (17, 11890105), (19, 10638515), (85, 2378021), (95, 2127703), (257, 786505), (323, 625795), (487, 415055), (1285, 157301), (1615, 125159), (2435, 83011), (4369, 46265), (4883, 41395), (8279, 24415), (9253, 21845)]