389335828

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{70583}}^1$

素因数の和:70791

約数の個数: 24

約数和(自身を含む): 782635392

約数和(自身を除く): 393299564

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 70583, 141166, 282332, 494081, 988162, 1976324, 13904851, 27809702, 55619404, 97333957, 194667914, 389335828]

約数ペア:

[(1, 389335828), (2, 194667914), (4, 97333957), (7, 55619404), (14, 27809702), (28, 13904851), (197, 1976324), (394, 988162), (788, 494081), (1379, 282332), (2758, 141166), (5516, 70583)]