201930001

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1523}}^1$

素因数の和:1621

約数の個数: 32

約数和(自身を含む): 262176768

約数和(自身を除く): 60246767

約数列:

[1, 7, 13, 31, 47, 91, 217, 329, 403, 611, 1457, 1523, 2821, 4277, 10199, 10661, 18941, 19799, 47213, 71581, 132587, 138593, 330491, 501067, 613769, 930553, 2219011, 4296383, 6513871, 15533077, 28847143, 201930001]

約数ペア:

[(1, 201930001), (7, 28847143), (13, 15533077), (31, 6513871), (47, 4296383), (91, 2219011), (217, 930553), (329, 613769), (403, 501067), (611, 330491), (1457, 138593), (1523, 132587), (2821, 71581), (4277, 47213), (10199, 19799), (10661, 18941)]