498999215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{673}}^1$

素因数の和:780

約数の個数: 64

約数和(自身を含む): 758201472

約数和(自身を除く): 259202257

約数列:

[1, 5, 11, 13, 17, 55, 61, 65, 85, 143, 187, 221, 305, 671, 673, 715, 793, 935, 1037, 1105, 2431, 3355, 3365, 3965, 5185, 7403, 8723, 8749, 11407, 11441, 12155, 13481, 37015, 41053, 43615, 43745, 57035, 57205, 67405, 96239, 125851, 148291, 148733, 205265, 451583, 481195, 533689, 629255, 697901, 741455, 743665, 1636063, 2257915, 2668445, 3489505, 5870579, 7676911, 8180315, 9072713, 29352895, 38384555, 45363565, 99799843, 498999215]

約数ペア:

[(1, 498999215), (5, 99799843), (11, 45363565), (13, 38384555), (17, 29352895), (55, 9072713), (61, 8180315), (65, 7676911), (85, 5870579), (143, 3489505), (187, 2668445), (221, 2257915), (305, 1636063), (671, 743665), (673, 741455), (715, 697901), (793, 629255), (935, 533689), (1037, 481195), (1105, 451583), (2431, 205265), (3355, 148733), (3365, 148291), (3965, 125851), (5185, 96239), (7403, 67405), (8723, 57205), (8749, 57035), (11407, 43745), (11441, 43615), (12155, 41053), (13481, 37015)]