28704628

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:711

約数の個数: 24

約数和(自身を含む): 51170112

約数和(自身を除く): 22465484

約数列:

[1, 2, 4, 97, 167, 194, 334, 388, 443, 668, 886, 1772, 16199, 32398, 42971, 64796, 73981, 85942, 147962, 171884, 295924, 7176157, 14352314, 28704628]

約数ペア:

[(1, 28704628), (2, 14352314), (4, 7176157), (97, 295924), (167, 171884), (194, 147962), (334, 85942), (388, 73981), (443, 64796), (668, 42971), (886, 32398), (1772, 16199)]