380047876

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{562201}}^1$

素因数の和:562231

約数の個数: 18

約数和(自身を含む): 720180762

約数和(自身を除く): 340132886

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 562201, 1124402, 2248804, 7308613, 14617226, 29234452, 95011969, 190023938, 380047876]

約数ペア:

[(1, 380047876), (2, 190023938), (4, 95011969), (13, 29234452), (26, 14617226), (52, 7308613), (169, 2248804), (338, 1124402), (676, 562201)]