201639785

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1\times {\mathrm{3709}}^1$

素因数の和:3928

約数の個数: 16

約数和(自身を含む): 246818880

約数和(自身を除く): 45179095

約数列:

[1, 5, 83, 131, 415, 655, 3709, 10873, 18545, 54365, 307847, 485879, 1539235, 2429395, 40327957, 201639785]

約数ペア:

[(1, 201639785), (5, 40327957), (83, 2429395), (131, 1539235), (415, 485879), (655, 307847), (3709, 54365), (10873, 18545)]