394448404

素因数分解:

$2^2\times 7^1\times {\mathrm{659}}^1\times {\mathrm{21377}}^1$

素因数の和:22047

約数の個数: 24

約数和(自身を含む): 790130880

約数和(自身を除く): 395682476

約数列:

[1, 2, 4, 7, 14, 28, 659, 1318, 2636, 4613, 9226, 18452, 21377, 42754, 85508, 149639, 299278, 598556, 14087443, 28174886, 56349772, 98612101, 197224202, 394448404]

約数ペア:

[(1, 394448404), (2, 197224202), (4, 98612101), (7, 56349772), (14, 28174886), (28, 14087443), (659, 598556), (1318, 299278), (2636, 149639), (4613, 85508), (9226, 42754), (18452, 21377)]