81953784

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 255200400

約数和(自身を除く): 173246616

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 23, 24, 33, 36, 44, 46, 66, 69, 72, 88, 92, 99, 121, 132, 138, 184, 198, 207, 242, 253, 264, 276, 363, 396, 409, 414, 484, 506, 552, 726, 759, 792, 818, 828, 968, 1012, 1089, 1227, 1452, 1518, 1636, 1656, 2024, 2178, 2277, 2454, 2783, 2904, 3036, 3272, 3681, 4356, 4499, 4554, 4908, 5566, 6072, 7362, 8349, 8712, 8998, 9108, 9407, 9816, 11132, 13497, 14724, 16698, 17996, 18216, 18814, 22264, 25047, 26994, 28221, 29448, 33396, 35992, 37628, 40491, 49489, 50094, 53988, 56442, 66792, 75256, 80982, 84663, 98978, 100188, 103477, 107976, 112884, 148467, 161964, 169326, 197956, 200376, 206954, 225768, 296934, 310431, 323928, 338652, 395912, 413908, 445401, 593868, 620862, 677304, 827816, 890802, 931293, 1138247, 1187736, 1241724, 1781604, 1862586, 2276494, 2483448, 3414741, 3563208, 3725172, 4552988, 6829482, 7450344, 9105976, 10244223, 13658964, 20488446, 27317928, 40976892, 81953784]

約数ペア:

[(1, 81953784), (2, 40976892), (3, 27317928), (4, 20488446), (6, 13658964), (8, 10244223), (9, 9105976), (11, 7450344), (12, 6829482), (18, 4552988), (22, 3725172), (23, 3563208), (24, 3414741), (33, 2483448), (36, 2276494), (44, 1862586), (46, 1781604), (66, 1241724), (69, 1187736), (72, 1138247), (88, 931293), (92, 890802), (99, 827816), (121, 677304), (132, 620862), (138, 593868), (184, 445401), (198, 413908), (207, 395912), (242, 338652), (253, 323928), (264, 310431), (276, 296934), (363, 225768), (396, 206954), (409, 200376), (414, 197956), (484, 169326), (506, 161964), (552, 148467), (726, 112884), (759, 107976), (792, 103477), (818, 100188), (828, 98978), (968, 84663), (1012, 80982), (1089, 75256), (1227, 66792), (1452, 56442), (1518, 53988), (1636, 50094), (1656, 49489), (2024, 40491), (2178, 37628), (2277, 35992), (2454, 33396), (2783, 29448), (2904, 28221), (3036, 26994), (3272, 25047), (3681, 22264), (4356, 18814), (4499, 18216), (4554, 17996), (4908, 16698), (5566, 14724), (6072, 13497), (7362, 11132), (8349, 9816), (8712, 9407), (8998, 9108)]