388694516

素因数分解:

$2^2\times 7^1\times {\mathrm{1489}}^1\times {\mathrm{9323}}^1$

素因数の和:10823

約数の個数: 24

約数和(自身を含む): 777994560

約数和(自身を除く): 389300044

約数列:

[1, 2, 4, 7, 14, 28, 1489, 2978, 5956, 9323, 10423, 18646, 20846, 37292, 41692, 65261, 130522, 261044, 13881947, 27763894, 55527788, 97173629, 194347258, 388694516]

約数ペア:

[(1, 388694516), (2, 194347258), (4, 97173629), (7, 55527788), (14, 27763894), (28, 13881947), (1489, 261044), (2978, 130522), (5956, 65261), (9323, 41692), (10423, 37292), (18646, 20846)]