261797136

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{971}}^1$

素因数の和:1160

約数の個数: 80

約数和(自身を含む): 698580288

約数和(自身を除く): 436783152

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 137, 164, 246, 274, 328, 411, 492, 548, 656, 822, 971, 984, 1096, 1644, 1942, 1968, 2192, 2913, 3288, 3884, 5617, 5826, 6576, 7768, 11234, 11652, 15536, 16851, 22468, 23304, 33702, 39811, 44936, 46608, 67404, 79622, 89872, 119433, 133027, 134808, 159244, 238866, 266054, 269616, 318488, 399081, 477732, 532108, 636976, 798162, 955464, 1064216, 1596324, 1910928, 2128432, 3192648, 5454107, 6385296, 10908214, 16362321, 21816428, 32724642, 43632856, 65449284, 87265712, 130898568, 261797136]

約数ペア:

[(1, 261797136), (2, 130898568), (3, 87265712), (4, 65449284), (6, 43632856), (8, 32724642), (12, 21816428), (16, 16362321), (24, 10908214), (41, 6385296), (48, 5454107), (82, 3192648), (123, 2128432), (137, 1910928), (164, 1596324), (246, 1064216), (274, 955464), (328, 798162), (411, 636976), (492, 532108), (548, 477732), (656, 399081), (822, 318488), (971, 269616), (984, 266054), (1096, 238866), (1644, 159244), (1942, 134808), (1968, 133027), (2192, 119433), (2913, 89872), (3288, 79622), (3884, 67404), (5617, 46608), (5826, 44936), (6576, 39811), (7768, 33702), (11234, 23304), (11652, 22468), (15536, 16851)]