207902585

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{121937}}^1$

素因数の和:121984

約数の個数: 16

約数和(自身を含む): 280945152

約数和(自身を除く): 73042567

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 121937, 609685, 1341307, 3780047, 6706535, 18900235, 41580517, 207902585]

約数ペア:

[(1, 207902585), (5, 41580517), (11, 18900235), (31, 6706535), (55, 3780047), (155, 1341307), (341, 609685), (1705, 121937)]