199497025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{87691}}^1$

素因数の和:87721

約数の個数: 24

約数和(自身を含む): 304466624

約数和(自身を除く): 104969599

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 175, 325, 455, 2275, 87691, 438455, 613837, 1139983, 2192275, 3069185, 5699915, 7979881, 15345925, 28499575, 39899405, 199497025]

約数ペア:

[(1, 199497025), (5, 39899405), (7, 28499575), (13, 15345925), (25, 7979881), (35, 5699915), (65, 3069185), (91, 2192275), (175, 1139983), (325, 613837), (455, 438455), (2275, 87691)]