256914

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2039}}^1$

素因数の和:2054

約数の個数: 24

約数和(自身を含む): 636480

約数和(自身を除く): 379566

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2039, 4078, 6117, 12234, 14273, 18351, 28546, 36702, 42819, 85638, 128457, 256914]

約数ペア:

[(1, 256914), (2, 128457), (3, 85638), (6, 42819), (7, 36702), (9, 28546), (14, 18351), (18, 14273), (21, 12234), (42, 6117), (63, 4078), (126, 2039)]