278260451

素因数分解:

$7^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{2851}}^1$

素因数の和:3122

約数の個数: 16

約数和(自身を含む): 324169728

約数和(自身を除く): 45909277

約数列:

[1, 7, 73, 191, 511, 1337, 2851, 13943, 19957, 97601, 208123, 544541, 1456861, 3811787, 39751493, 278260451]

約数ペア:

[(1, 278260451), (7, 39751493), (73, 3811787), (191, 1456861), (511, 544541), (1337, 208123), (2851, 97601), (13943, 19957)]