28770872

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4129}}^1$

素因数の和:4215

約数の個数: 32

約数和(自身を含む): 58976400

約数和(自身を除く): 30205528

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 4129, 6968, 8258, 16516, 33032, 53677, 107354, 214708, 276643, 429416, 553286, 1106572, 2213144, 3596359, 7192718, 14385436, 28770872]

約数ペア:

[(1, 28770872), (2, 14385436), (4, 7192718), (8, 3596359), (13, 2213144), (26, 1106572), (52, 553286), (67, 429416), (104, 276643), (134, 214708), (268, 107354), (536, 53677), (871, 33032), (1742, 16516), (3484, 8258), (4129, 6968)]