201720475

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{15607}}^1$

素因数の和:15675

約数の個数: 24

約数和(自身を含む): 278696448

約数和(自身を除く): 76975973

約数列:

[1, 5, 11, 25, 47, 55, 235, 275, 517, 1175, 2585, 12925, 15607, 78035, 171677, 390175, 733529, 858385, 3667645, 4291925, 8068819, 18338225, 40344095, 201720475]

約数ペア:

[(1, 201720475), (5, 40344095), (11, 18338225), (25, 8068819), (47, 4291925), (55, 3667645), (235, 858385), (275, 733529), (517, 390175), (1175, 171677), (2585, 78035), (12925, 15607)]