201019505

素因数分解:

$5^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1\times {\mathrm{1471}}^1$

素因数の和:1808

約数の個数: 16

約数和(自身を含む): 244328448

約数和(自身を除く): 43308943

約数列:

[1, 5, 151, 181, 755, 905, 1471, 7355, 27331, 136655, 222121, 266251, 1110605, 1331255, 40203901, 201019505]

約数ペア:

[(1, 201019505), (5, 40203901), (151, 1331255), (181, 1110605), (755, 266251), (905, 222121), (1471, 136655), (7355, 27331)]