28807835

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{3793}}^1$

素因数の和:3843

約数の個数: 24

約数和(自身を含む): 41521536

約数和(自身を除く): 12713701

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 3793, 7595, 18965, 26551, 117583, 132755, 185857, 587915, 823081, 929285, 4115405, 5761567, 28807835]

約数ペア:

[(1, 28807835), (5, 5761567), (7, 4115405), (31, 929285), (35, 823081), (49, 587915), (155, 185857), (217, 132755), (245, 117583), (1085, 26551), (1519, 18965), (3793, 7595)]