641957434

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{15643}}^1$

素因数の和:15750

約数の個数: 24

約数和(自身を含む): 1037384928

約数和(自身を除く): 395427494

約数列:

[1, 2, 17, 34, 71, 142, 289, 578, 1207, 2414, 15643, 20519, 31286, 41038, 265931, 531862, 1110653, 2221306, 4520827, 9041654, 18881101, 37762202, 320978717, 641957434]

約数ペア:

[(1, 641957434), (2, 320978717), (17, 37762202), (34, 18881101), (71, 9041654), (142, 4520827), (289, 2221306), (578, 1110653), (1207, 531862), (2414, 265931), (15643, 41038), (20519, 31286)]