27991292

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{7297}}^1$

素因数の和:7445

約数の個数: 24

約数和(自身を含む): 56398944

約数和(自身を除く): 28407652

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 7297, 14594, 29188, 51079, 102158, 204316, 999689, 1999378, 3998756, 6997823, 13995646, 27991292]

約数ペア:

[(1, 27991292), (2, 13995646), (4, 6997823), (7, 3998756), (14, 1999378), (28, 999689), (137, 204316), (274, 102158), (548, 51079), (959, 29188), (1918, 14594), (3836, 7297)]