208515749

素因数分解:

${\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{8171}}^1$

素因数の和:8348

約数の個数: 12

約数和(自身を含む): 227312352

約数和(自身を除く): 18796603

約数列:

[1, 13, 151, 169, 1963, 8171, 25519, 106223, 1233821, 1380899, 16039673, 208515749]

約数ペア:

[(1, 208515749), (13, 16039673), (151, 1380899), (169, 1233821), (1963, 106223), (8171, 25519)]