420914156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{8423}}^1$

素因数の和:8502

約数の個数: 36

約数和(自身を含む): 819773136

約数和(自身を除く): 398858980

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1922, 3844, 8423, 12493, 16846, 24986, 33692, 49972, 109499, 218998, 261113, 437996, 522226, 1044452, 3394469, 6788938, 8094503, 13577876, 16189006, 32378012, 105228539, 210457078, 420914156]

約数ペア:

[(1, 420914156), (2, 210457078), (4, 105228539), (13, 32378012), (26, 16189006), (31, 13577876), (52, 8094503), (62, 6788938), (124, 3394469), (403, 1044452), (806, 522226), (961, 437996), (1612, 261113), (1922, 218998), (3844, 109499), (8423, 49972), (12493, 33692), (16846, 24986)]