26989193

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 35223552

約数和(自身を除く): 8234359

約数列:

[1, 7, 11, 41, 77, 83, 103, 287, 451, 581, 721, 913, 1133, 3157, 3403, 4223, 6391, 7931, 8549, 23821, 29561, 37433, 46453, 59843, 94039, 262031, 325171, 350509, 658273, 2453563, 3855599, 26989193]

約数ペア:

[(1, 26989193), (7, 3855599), (11, 2453563), (41, 658273), (77, 350509), (83, 325171), (103, 262031), (287, 94039), (451, 59843), (581, 46453), (721, 37433), (913, 29561), (1133, 23821), (3157, 8549), (3403, 7931), (4223, 6391)]