78356905210

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{71887069}}^1$

素因数の和:71887185

約数の個数: 16

約数和(自身を含む): 142336398600

約数和(自身を除く): 63979493390

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 71887069, 143774138, 359435345, 718870690, 7835690521, 15671381042, 39178452605, 78356905210]

約数ペア:

[(1, 78356905210), (2, 39178452605), (5, 15671381042), (10, 7835690521), (109, 718870690), (218, 359435345), (545, 143774138), (1090, 71887069)]