208097813

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{117503}}^1$

素因数の和:117544

約数の個数: 16

約数和(自身を含む): 270729216

約数和(自身を除く): 62631403

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 117503, 822521, 1292533, 2702569, 9047731, 18917983, 29728259, 208097813]

約数ペア:

[(1, 208097813), (7, 29728259), (11, 18917983), (23, 9047731), (77, 2702569), (161, 1292533), (253, 822521), (1771, 117503)]