81682230

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{388963}}^1$

素因数の和:388980

約数の個数: 32

約数和(自身を含む): 224043264

約数和(自身を除く): 142361034

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 388963, 777926, 1166889, 1944815, 2333778, 2722741, 3889630, 5445482, 5834445, 8168223, 11668890, 13613705, 16336446, 27227410, 40841115, 81682230]

約数ペア:

[(1, 81682230), (2, 40841115), (3, 27227410), (5, 16336446), (6, 13613705), (7, 11668890), (10, 8168223), (14, 5834445), (15, 5445482), (21, 3889630), (30, 2722741), (35, 2333778), (42, 1944815), (70, 1166889), (105, 777926), (210, 388963)]