206908105

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^2\times {\mathrm{149}}^1$

素因数の和:250

約数の個数: 36

約数和(自身を含む): 274365900

約数和(自身を除く): 67457795

約数列:

[1, 5, 17, 31, 85, 149, 155, 289, 527, 745, 961, 1445, 2533, 2635, 4619, 4805, 8959, 12665, 16337, 23095, 43061, 44795, 78523, 81685, 143189, 215305, 277729, 392615, 715945, 1334891, 1388645, 2434213, 6674455, 12171065, 41381621, 206908105]

約数ペア:

[(1, 206908105), (5, 41381621), (17, 12171065), (31, 6674455), (85, 2434213), (149, 1388645), (155, 1334891), (289, 715945), (527, 392615), (745, 277729), (961, 215305), (1445, 143189), (2533, 81685), (2635, 78523), (4619, 44795), (4805, 43061), (8959, 23095), (12665, 16337)]