256400013

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{11489}}^1$

素因数の和:11708

約数の個数: 16

約数和(自身を含む): 351869760

約数和(自身を除く): 95469747

約数列:

[1, 3, 43, 129, 173, 519, 7439, 11489, 22317, 34467, 494027, 1482081, 1987597, 5962791, 85466671, 256400013]

約数ペア:

[(1, 256400013), (3, 85466671), (43, 5962791), (129, 1987597), (173, 1482081), (519, 494027), (7439, 34467), (11489, 22317)]