1991225952

素因数分解:

$2^5\times 3^2\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{463}}^1$

素因数の和:725

約数の個数: 144

約数和(自身を含む): 5768642880

約数和(自身を除く): 3777416928

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 109, 137, 144, 218, 274, 288, 327, 411, 436, 463, 548, 654, 822, 872, 926, 981, 1096, 1233, 1308, 1389, 1644, 1744, 1852, 1962, 2192, 2466, 2616, 2778, 3288, 3488, 3704, 3924, 4167, 4384, 4932, 5232, 5556, 6576, 7408, 7848, 8334, 9864, 10464, 11112, 13152, 14816, 14933, 15696, 16668, 19728, 22224, 29866, 31392, 33336, 39456, 44448, 44799, 50467, 59732, 63431, 66672, 89598, 100934, 119464, 126862, 133344, 134397, 151401, 179196, 190293, 201868, 238928, 253724, 268794, 302802, 358392, 380586, 403736, 454203, 477856, 507448, 537588, 570879, 605604, 716784, 761172, 807472, 908406, 1014896, 1075176, 1141758, 1211208, 1433568, 1522344, 1614944, 1816812, 2029792, 2150352, 2283516, 2422416, 3044688, 3633624, 4300704, 4567032, 4844832, 6089376, 6913979, 7267248, 9134064, 13827958, 14534496, 18268128, 20741937, 27655916, 41483874, 55311832, 62225811, 82967748, 110623664, 124451622, 165935496, 221247328, 248903244, 331870992, 497806488, 663741984, 995612976, 1991225952]

約数ペア:

[(1, 1991225952), (2, 995612976), (3, 663741984), (4, 497806488), (6, 331870992), (8, 248903244), (9, 221247328), (12, 165935496), (16, 124451622), (18, 110623664), (24, 82967748), (32, 62225811), (36, 55311832), (48, 41483874), (72, 27655916), (96, 20741937), (109, 18268128), (137, 14534496), (144, 13827958), (218, 9134064), (274, 7267248), (288, 6913979), (327, 6089376), (411, 4844832), (436, 4567032), (463, 4300704), (548, 3633624), (654, 3044688), (822, 2422416), (872, 2283516), (926, 2150352), (981, 2029792), (1096, 1816812), (1233, 1614944), (1308, 1522344), (1389, 1433568), (1644, 1211208), (1744, 1141758), (1852, 1075176), (1962, 1014896), (2192, 908406), (2466, 807472), (2616, 761172), (2778, 716784), (3288, 605604), (3488, 570879), (3704, 537588), (3924, 507448), (4167, 477856), (4384, 454203), (4932, 403736), (5232, 380586), (5556, 358392), (6576, 302802), (7408, 268794), (7848, 253724), (8334, 238928), (9864, 201868), (10464, 190293), (11112, 179196), (13152, 151401), (14816, 134397), (14933, 133344), (15696, 126862), (16668, 119464), (19728, 100934), (22224, 89598), (29866, 66672), (31392, 63431), (33336, 59732), (39456, 50467), (44448, 44799)]