90043775

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:643

約数の個数: 24

約数和(自身を含む): 114903360

約数和(自身を除く): 24859585

約数列:

[1, 5, 25, 47, 197, 235, 389, 985, 1175, 1945, 4925, 9259, 9725, 18283, 46295, 76633, 91415, 231475, 383165, 457075, 1915825, 3601751, 18008755, 90043775]

約数ペア:

[(1, 90043775), (5, 18008755), (25, 3601751), (47, 1915825), (197, 457075), (235, 383165), (389, 231475), (985, 91415), (1175, 76633), (1945, 46295), (4925, 18283), (9259, 9725)]