638196912

素因数分解:

$2^4\times 3^2\times {\mathrm{4431923}}^1$

素因数の和:4431937

約数の個数: 30

約数和(自身を含む): 1786065372

約数和(自身を除く): 1147868460

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 4431923, 8863846, 13295769, 17727692, 26591538, 35455384, 39887307, 53183076, 70910768, 79774614, 106366152, 159549228, 212732304, 319098456, 638196912]

約数ペア:

[(1, 638196912), (2, 319098456), (3, 212732304), (4, 159549228), (6, 106366152), (8, 79774614), (9, 70910768), (12, 53183076), (16, 39887307), (18, 35455384), (24, 26591538), (36, 17727692), (48, 13295769), (72, 8863846), (144, 4431923)]