269457890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66863}}^1$

素因数の和:66914

約数の個数: 32

約数和(自身を含む): 539191296

約数和(自身を除く): 269733406

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 66863, 133726, 334315, 668630, 869219, 1738438, 2072753, 4145506, 4346095, 8692190, 10363765, 20727530, 26945789, 53891578, 134728945, 269457890]

約数ペア:

[(1, 269457890), (2, 134728945), (5, 53891578), (10, 26945789), (13, 20727530), (26, 10363765), (31, 8692190), (62, 4346095), (65, 4145506), (130, 2072753), (155, 1738438), (310, 869219), (403, 668630), (806, 334315), (2015, 133726), (4030, 66863)]