51991386

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{201517}}^1$

素因数の和:201565

約数の個数: 16

約数和(自身を含む): 106401504

約数和(自身を除く): 54410118

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 201517, 403034, 604551, 1209102, 8665231, 17330462, 25995693, 51991386]

約数ペア:

[(1, 51991386), (2, 25995693), (3, 17330462), (6, 8665231), (43, 1209102), (86, 604551), (129, 403034), (258, 201517)]