261364304

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{859751}}^1$

素因数の和:859778

約数の個数: 20

約数和(自身を含む): 533046240

約数和(自身を除く): 271681936

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 859751, 1719502, 3439004, 6878008, 13756016, 16335269, 32670538, 65341076, 130682152, 261364304]

約数ペア:

[(1, 261364304), (2, 130682152), (4, 65341076), (8, 32670538), (16, 16335269), (19, 13756016), (38, 6878008), (76, 3439004), (152, 1719502), (304, 859751)]