389628743

素因数分解:

$7^2\times {\mathrm{59}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 463478400

約数和(自身を除く): 73849657

約数列:

[1, 7, 49, 59, 307, 413, 439, 2149, 2891, 3073, 15043, 18113, 21511, 25901, 126791, 134773, 181307, 887537, 943411, 1269149, 6603877, 7951607, 55661249, 389628743]

約数ペア:

[(1, 389628743), (7, 55661249), (49, 7951607), (59, 6603877), (307, 1269149), (413, 943411), (439, 887537), (2149, 181307), (2891, 134773), (3073, 126791), (15043, 25901), (18113, 21511)]