201538315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{439}}^1\times {\mathrm{491}}^1$

素因数の和:963

約数の個数: 32

約数和(自身を含む): 280558080

約数和(自身を除く): 79019765

約数列:

[1, 5, 11, 17, 55, 85, 187, 439, 491, 935, 2195, 2455, 4829, 5401, 7463, 8347, 24145, 27005, 37315, 41735, 82093, 91817, 215549, 410465, 459085, 1077745, 2371039, 3664333, 11855195, 18321665, 40307663, 201538315]

約数ペア:

[(1, 201538315), (5, 40307663), (11, 18321665), (17, 11855195), (55, 3664333), (85, 2371039), (187, 1077745), (439, 459085), (491, 410465), (935, 215549), (2195, 91817), (2455, 82093), (4829, 41735), (5401, 37315), (7463, 27005), (8347, 24145)]