208086865

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3541}}^1$

素因数の和:3649

約数の個数: 32

約数和(自身を含む): 301948416

約数和(自身を除く): 93861551

約数列:

[1, 5, 7, 23, 35, 73, 115, 161, 365, 511, 805, 1679, 2555, 3541, 8395, 11753, 17705, 24787, 58765, 81443, 123935, 258493, 407215, 570101, 1292465, 1809451, 2850505, 5945339, 9047255, 29726695, 41617373, 208086865]

約数ペア:

[(1, 208086865), (5, 41617373), (7, 29726695), (23, 9047255), (35, 5945339), (73, 2850505), (115, 1809451), (161, 1292465), (365, 570101), (511, 407215), (805, 258493), (1679, 123935), (2555, 81443), (3541, 58765), (8395, 24787), (11753, 17705)]