200919979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{331}}^1\times {\mathrm{881}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 221374944

約数和(自身を除く): 20454965

約数列:

[1, 13, 53, 331, 689, 881, 4303, 11453, 17543, 46693, 228059, 291611, 607009, 3790943, 15455383, 200919979]

約数ペア:

[(1, 200919979), (13, 15455383), (53, 3790943), (331, 607009), (689, 291611), (881, 228059), (4303, 46693), (11453, 17543)]