217020716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{25037}}^1$

素因数の和:25249

約数の個数: 24

約数和(自身を含む): 416432016

約数和(自身を除く): 199411300

約数列:

[1, 2, 4, 11, 22, 44, 197, 394, 788, 2167, 4334, 8668, 25037, 50074, 100148, 275407, 550814, 1101628, 4932289, 9864578, 19729156, 54255179, 108510358, 217020716]

約数ペア:

[(1, 217020716), (2, 108510358), (4, 54255179), (11, 19729156), (22, 9864578), (44, 4932289), (197, 1101628), (394, 550814), (788, 275407), (2167, 100148), (4334, 50074), (8668, 25037)]