1991238054

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{25528693}}^1$

素因数の和:25528711

約数の個数: 16

約数和(自身を含む): 4288820592

約数和(自身を除く): 2297582538

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 25528693, 51057386, 76586079, 153172158, 331873009, 663746018, 995619027, 1991238054]

約数ペア:

[(1, 1991238054), (2, 995619027), (3, 663746018), (6, 331873009), (13, 153172158), (26, 76586079), (39, 51057386), (78, 25528693)]