263563488

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:657

約数の個数: 144

約数和(自身を含む): 789699456

約数和(自身を除く): 526135968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 53, 62, 72, 93, 96, 106, 124, 144, 159, 186, 212, 248, 279, 288, 318, 372, 424, 477, 496, 557, 558, 636, 744, 848, 954, 992, 1114, 1116, 1272, 1488, 1643, 1671, 1696, 1908, 2228, 2232, 2544, 2976, 3286, 3342, 3816, 4456, 4464, 4929, 5013, 5088, 6572, 6684, 7632, 8912, 8928, 9858, 10026, 13144, 13368, 14787, 15264, 17267, 17824, 19716, 20052, 26288, 26736, 29521, 29574, 34534, 39432, 40104, 51801, 52576, 53472, 59042, 59148, 69068, 78864, 80208, 88563, 103602, 118084, 118296, 138136, 155403, 157728, 160416, 177126, 207204, 236168, 236592, 265689, 276272, 310806, 354252, 414408, 472336, 473184, 531378, 552544, 621612, 708504, 828816, 915151, 944672, 1062756, 1243224, 1417008, 1657632, 1830302, 2125512, 2486448, 2745453, 2834016, 3660604, 4251024, 4972896, 5490906, 7321208, 8236359, 8502048, 10981812, 14642416, 16472718, 21963624, 29284832, 32945436, 43927248, 65890872, 87854496, 131781744, 263563488]

約数ペア:

[(1, 263563488), (2, 131781744), (3, 87854496), (4, 65890872), (6, 43927248), (8, 32945436), (9, 29284832), (12, 21963624), (16, 16472718), (18, 14642416), (24, 10981812), (31, 8502048), (32, 8236359), (36, 7321208), (48, 5490906), (53, 4972896), (62, 4251024), (72, 3660604), (93, 2834016), (96, 2745453), (106, 2486448), (124, 2125512), (144, 1830302), (159, 1657632), (186, 1417008), (212, 1243224), (248, 1062756), (279, 944672), (288, 915151), (318, 828816), (372, 708504), (424, 621612), (477, 552544), (496, 531378), (557, 473184), (558, 472336), (636, 414408), (744, 354252), (848, 310806), (954, 276272), (992, 265689), (1114, 236592), (1116, 236168), (1272, 207204), (1488, 177126), (1643, 160416), (1671, 157728), (1696, 155403), (1908, 138136), (2228, 118296), (2232, 118084), (2544, 103602), (2976, 88563), (3286, 80208), (3342, 78864), (3816, 69068), (4456, 59148), (4464, 59042), (4929, 53472), (5013, 52576), (5088, 51801), (6572, 40104), (6684, 39432), (7632, 34534), (8912, 29574), (8928, 29521), (9858, 26736), (10026, 26288), (13144, 20052), (13368, 19716), (14787, 17824), (15264, 17267)]