81284810

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{53831}}^1$

素因数の和:53989

約数の個数: 16

約数和(自身を含む): 147284352

約数和(自身を除く): 65999542

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 53831, 107662, 269155, 538310, 8128481, 16256962, 40642405, 81284810]

約数ペア:

[(1, 81284810), (2, 40642405), (5, 16256962), (10, 8128481), (151, 538310), (302, 269155), (755, 107662), (1510, 53831)]