389733484

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{196043}}^1$

素因数の和:196125

約数の個数: 24

約数和(自身を含む): 790449408

約数和(自身を除く): 400715924

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 196043, 392086, 784172, 1372301, 2744602, 5489204, 13919053, 27838106, 55676212, 97433371, 194866742, 389733484]

約数ペア:

[(1, 389733484), (2, 194866742), (4, 97433371), (7, 55676212), (14, 27838106), (28, 13919053), (71, 5489204), (142, 2744602), (284, 1372301), (497, 784172), (994, 392086), (1988, 196043)]