1997585

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{331}}^1$

素因数の和:424

約数の個数: 16

約数和(自身を含む): 2581632

約数和(自身を除く): 584047

約数列:

[1, 5, 17, 71, 85, 331, 355, 1207, 1655, 5627, 6035, 23501, 28135, 117505, 399517, 1997585]

約数ペア:

[(1, 1997585), (5, 399517), (17, 117505), (71, 28135), (85, 23501), (331, 6035), (355, 5627), (1207, 1655)]