1285290712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1889}}^1\times {\mathrm{5003}}^1$

素因数の和:6915

約数の個数: 32

約数和(自身を含む): 2553541200

約数和(自身を除く): 1268250488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1889, 3778, 5003, 7556, 10006, 15112, 20012, 32113, 40024, 64226, 85051, 128452, 170102, 256904, 340204, 680408, 9450667, 18901334, 37802668, 75605336, 160661339, 321322678, 642645356, 1285290712]

約数ペア:

[(1, 1285290712), (2, 642645356), (4, 321322678), (8, 160661339), (17, 75605336), (34, 37802668), (68, 18901334), (136, 9450667), (1889, 680408), (3778, 340204), (5003, 256904), (7556, 170102), (10006, 128452), (15112, 85051), (20012, 64226), (32113, 40024)]