291686564

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{449}}^1$

素因数の和:541

約数の個数: 54

約数和(自身を含む): 572414850

約数和(自身を除く): 280728286

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 449, 676, 806, 898, 961, 1612, 1796, 1922, 3844, 5239, 5837, 10478, 11674, 12493, 13919, 20956, 23348, 24986, 27838, 49972, 55676, 75881, 151762, 162409, 180947, 303524, 324818, 361894, 431489, 649636, 723788, 862978, 1725956, 2352311, 4704622, 5609357, 9409244, 11218714, 22437428, 72921641, 145843282, 291686564]

約数ペア:

[(1, 291686564), (2, 145843282), (4, 72921641), (13, 22437428), (26, 11218714), (31, 9409244), (52, 5609357), (62, 4704622), (124, 2352311), (169, 1725956), (338, 862978), (403, 723788), (449, 649636), (676, 431489), (806, 361894), (898, 324818), (961, 303524), (1612, 180947), (1796, 162409), (1922, 151762), (3844, 75881), (5239, 55676), (5837, 49972), (10478, 27838), (11674, 24986), (12493, 23348), (13919, 20956)]