42257215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8443}}^1$

素因数の和:8479

約数の個数: 32

約数和(自身を含む): 68092416

約数和(自身を除く): 25835201

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 8443, 42215, 59101, 92873, 109759, 295505, 464365, 548795, 650111, 768313, 1207349, 3250555, 3841565, 6036745, 8451443, 42257215]

約数ペア:

[(1, 42257215), (5, 8451443), (7, 6036745), (11, 3841565), (13, 3250555), (35, 1207349), (55, 768313), (65, 650111), (77, 548795), (91, 464365), (143, 295505), (385, 109759), (455, 92873), (715, 59101), (1001, 42215), (5005, 8443)]