289356488

素因数分解:

$2^3\times {\mathrm{1931}}^1\times {\mathrm{18731}}^1$

素因数の和:20668

約数の個数: 16

約数和(自身を含む): 542853360

約数和(自身を除く): 253496872

約数列:

[1, 2, 4, 8, 1931, 3862, 7724, 15448, 18731, 37462, 74924, 149848, 36169561, 72339122, 144678244, 289356488]

約数ペア:

[(1, 289356488), (2, 144678244), (4, 72339122), (8, 36169561), (1931, 149848), (3862, 74924), (7724, 37462), (15448, 18731)]