208141505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{291107}}^1$

素因数の和:291136

約数の個数: 16

約数和(自身を含む): 293436864

約数和(自身を除く): 85295359

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 291107, 1455535, 3202177, 3784391, 16010885, 18921955, 41628301, 208141505]

約数ペア:

[(1, 208141505), (5, 41628301), (11, 18921955), (13, 16010885), (55, 3784391), (65, 3202177), (143, 1455535), (715, 291107)]