206840305

素因数分解:

$5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{26501}}^1$

素因数の和:26736

約数の個数: 16

約数和(自身を含む): 284949504

約数和(自身を除く): 78109199

約数列:

[1, 5, 7, 35, 223, 1115, 1561, 7805, 26501, 132505, 185507, 927535, 5909723, 29548615, 41368061, 206840305]

約数ペア:

[(1, 206840305), (5, 41368061), (7, 29548615), (35, 5909723), (223, 927535), (1115, 185507), (1561, 132505), (7805, 26501)]