1286804

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:295

約数の個数: 24

約数和(自身を含む): 2395008

約数和(自身を除く): 1108204

約数列:

[1, 2, 4, 23, 46, 71, 92, 142, 197, 284, 394, 788, 1633, 3266, 4531, 6532, 9062, 13987, 18124, 27974, 55948, 321701, 643402, 1286804]

約数ペア:

[(1, 1286804), (2, 643402), (4, 321701), (23, 55948), (46, 27974), (71, 18124), (92, 13987), (142, 9062), (197, 6532), (284, 4531), (394, 3266), (788, 1633)]