15997625

素因数分解:

$5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 32

約数和(自身を含む): 23362560

約数和(自身を除く): 7364935

約数列:

[1, 5, 7, 25, 35, 47, 125, 175, 235, 329, 389, 875, 1175, 1645, 1945, 2723, 5875, 8225, 9725, 13615, 18283, 41125, 48625, 68075, 91415, 127981, 340375, 457075, 639905, 2285375, 3199525, 15997625]

約数ペア:

[(1, 15997625), (5, 3199525), (7, 2285375), (25, 639905), (35, 457075), (47, 340375), (125, 127981), (175, 91415), (235, 68075), (329, 48625), (389, 41125), (875, 18283), (1175, 13615), (1645, 9725), (1945, 8225), (2723, 5875)]