205782005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^4\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 40

約数和(自身を含む): 294063264

約数和(自身を除く): 88281259

約数列:

[1, 5, 11, 13, 55, 65, 131, 143, 169, 655, 715, 845, 1441, 1703, 1859, 2197, 7205, 8515, 9295, 10985, 18733, 22139, 24167, 28561, 93665, 110695, 120835, 142805, 243529, 287807, 314171, 1217645, 1439035, 1570855, 3165877, 3741491, 15829385, 18707455, 41156401, 205782005]

約数ペア:

[(1, 205782005), (5, 41156401), (11, 18707455), (13, 15829385), (55, 3741491), (65, 3165877), (131, 1570855), (143, 1439035), (169, 1217645), (655, 314171), (715, 287807), (845, 243529), (1441, 142805), (1703, 120835), (1859, 110695), (2197, 93665), (7205, 28561), (8515, 24167), (9295, 22139), (10985, 18733)]