201811841

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{12911}}^1$

素因数の和:12965

約数の個数: 24

約数和(自身を含む): 264954240

約数和(自身を除く): 63142399

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1421, 2233, 12911, 15631, 90377, 142021, 374419, 632639, 994147, 2620933, 4118609, 6959029, 18346531, 28830263, 201811841]

約数ペア:

[(1, 201811841), (7, 28830263), (11, 18346531), (29, 6959029), (49, 4118609), (77, 2620933), (203, 994147), (319, 632639), (539, 374419), (1421, 142021), (2233, 90377), (12911, 15631)]