40380263

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1$

素因数の和:3987

約数の個数: 24

約数和(自身を含む): 53953920

約数和(自身を除く): 13573657

約数列:

[1, 7, 11, 19, 49, 77, 133, 209, 539, 931, 1463, 3943, 10241, 27601, 43373, 74917, 193207, 303611, 524419, 824087, 2125277, 3670933, 5768609, 40380263]

約数ペア:

[(1, 40380263), (7, 5768609), (11, 3670933), (19, 2125277), (49, 824087), (77, 524419), (133, 303611), (209, 193207), (539, 74917), (931, 43373), (1463, 27601), (3943, 10241)]