56987455

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1087

約数の個数: 32

約数和(自身を含む): 82280448

約数和(自身を除く): 25292993

約数列:

[1, 5, 7, 31, 35, 53, 155, 217, 265, 371, 991, 1085, 1643, 1855, 4955, 6937, 8215, 11501, 30721, 34685, 52523, 57505, 153605, 215047, 262615, 367661, 1075235, 1628213, 1838305, 8141065, 11397491, 56987455]

約数ペア:

[(1, 56987455), (5, 11397491), (7, 8141065), (31, 1838305), (35, 1628213), (53, 1075235), (155, 367661), (217, 262615), (265, 215047), (371, 153605), (991, 57505), (1085, 52523), (1643, 34685), (1855, 30721), (4955, 11501), (6937, 8215)]