219956868

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{941}}^1$

素因数の和:1145

約数の個数: 72

約数和(自身を含む): 573308736

約数和(自身を除く): 353351868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 151, 172, 258, 302, 387, 453, 516, 604, 774, 906, 941, 1359, 1548, 1812, 1882, 2718, 2823, 3764, 5436, 5646, 6493, 8469, 11292, 12986, 16938, 19479, 25972, 33876, 38958, 40463, 58437, 77916, 80926, 116874, 121389, 142091, 161852, 233748, 242778, 284182, 364167, 426273, 485556, 568364, 728334, 852546, 1278819, 1456668, 1705092, 2557638, 5115276, 6109913, 12219826, 18329739, 24439652, 36659478, 54989217, 73318956, 109978434, 219956868]

約数ペア:

[(1, 219956868), (2, 109978434), (3, 73318956), (4, 54989217), (6, 36659478), (9, 24439652), (12, 18329739), (18, 12219826), (36, 6109913), (43, 5115276), (86, 2557638), (129, 1705092), (151, 1456668), (172, 1278819), (258, 852546), (302, 728334), (387, 568364), (453, 485556), (516, 426273), (604, 364167), (774, 284182), (906, 242778), (941, 233748), (1359, 161852), (1548, 142091), (1812, 121389), (1882, 116874), (2718, 80926), (2823, 77916), (3764, 58437), (5436, 40463), (5646, 38958), (6493, 33876), (8469, 25972), (11292, 19479), (12986, 16938)]