81708752

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1$

素因数の和:723

約数の個数: 40

約数和(自身を含む): 161894400

約数和(自身を除く): 80185648

約数列:

[1, 2, 4, 8, 16, 79, 127, 158, 254, 316, 508, 509, 632, 1016, 1018, 1264, 2032, 2036, 4072, 8144, 10033, 20066, 40132, 40211, 64643, 80264, 80422, 129286, 160528, 160844, 258572, 321688, 517144, 643376, 1034288, 5106797, 10213594, 20427188, 40854376, 81708752]

約数ペア:

[(1, 81708752), (2, 40854376), (4, 20427188), (8, 10213594), (16, 5106797), (79, 1034288), (127, 643376), (158, 517144), (254, 321688), (316, 258572), (508, 160844), (509, 160528), (632, 129286), (1016, 80422), (1018, 80264), (1264, 64643), (2032, 40211), (2036, 40132), (4072, 20066), (8144, 10033)]