256143564

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{173539}}^1$

素因数の和:173590

約数の個数: 36

約数和(自身を含む): 663269880

約数和(自身を除く): 407126316

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 369, 492, 738, 1476, 173539, 347078, 520617, 694156, 1041234, 1561851, 2082468, 3123702, 6247404, 7115099, 14230198, 21345297, 28460396, 42690594, 64035891, 85381188, 128071782, 256143564]

約数ペア:

[(1, 256143564), (2, 128071782), (3, 85381188), (4, 64035891), (6, 42690594), (9, 28460396), (12, 21345297), (18, 14230198), (36, 7115099), (41, 6247404), (82, 3123702), (123, 2082468), (164, 1561851), (246, 1041234), (369, 694156), (492, 520617), (738, 347078), (1476, 173539)]