428743679

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18191}}^1$

素因数の和:18255

約数の個数: 24

約数和(自身を含む): 551654208

約数和(自身を除く): 122910529

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 1813, 3367, 18191, 23569, 127337, 236483, 673067, 891359, 1655381, 4711469, 8749871, 11587667, 32980283, 61249097, 428743679]

約数ペア:

[(1, 428743679), (7, 61249097), (13, 32980283), (37, 11587667), (49, 8749871), (91, 4711469), (259, 1655381), (481, 891359), (637, 673067), (1813, 236483), (3367, 127337), (18191, 23569)]