28911064

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{263}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 67415040

約数和(自身を除く): 38503976

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 151, 182, 263, 302, 364, 526, 604, 728, 1052, 1057, 1208, 1841, 1963, 2104, 2114, 3419, 3682, 3926, 4228, 6838, 7364, 7852, 8456, 13676, 13741, 14728, 15704, 23933, 27352, 27482, 39713, 47866, 54964, 79426, 95732, 109928, 158852, 191464, 277991, 317704, 516269, 555982, 1032538, 1111964, 2065076, 2223928, 3613883, 4130152, 7227766, 14455532, 28911064]

約数ペア:

[(1, 28911064), (2, 14455532), (4, 7227766), (7, 4130152), (8, 3613883), (13, 2223928), (14, 2065076), (26, 1111964), (28, 1032538), (52, 555982), (56, 516269), (91, 317704), (104, 277991), (151, 191464), (182, 158852), (263, 109928), (302, 95732), (364, 79426), (526, 54964), (604, 47866), (728, 39713), (1052, 27482), (1057, 27352), (1208, 23933), (1841, 15704), (1963, 14728), (2104, 13741), (2114, 13676), (3419, 8456), (3682, 7852), (3926, 7364), (4228, 6838)]