81398448

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{811}}^1$

素因数の和:883

約数の個数: 120

約数和(自身を含む): 247390416

約数和(自身を除く): 165991968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 41, 48, 51, 68, 72, 82, 102, 123, 136, 144, 153, 164, 204, 246, 272, 306, 328, 369, 408, 492, 612, 656, 697, 738, 811, 816, 984, 1224, 1394, 1476, 1622, 1968, 2091, 2433, 2448, 2788, 2952, 3244, 4182, 4866, 5576, 5904, 6273, 6488, 7299, 8364, 9732, 11152, 12546, 12976, 13787, 14598, 16728, 19464, 25092, 27574, 29196, 33251, 33456, 38928, 41361, 50184, 55148, 58392, 66502, 82722, 99753, 100368, 110296, 116784, 124083, 133004, 165444, 199506, 220592, 248166, 266008, 299259, 330888, 399012, 496332, 532016, 565267, 598518, 661776, 798024, 992664, 1130534, 1197036, 1596048, 1695801, 1985328, 2261068, 2394072, 3391602, 4522136, 4788144, 5087403, 6783204, 9044272, 10174806, 13566408, 20349612, 27132816, 40699224, 81398448]

約数ペア:

[(1, 81398448), (2, 40699224), (3, 27132816), (4, 20349612), (6, 13566408), (8, 10174806), (9, 9044272), (12, 6783204), (16, 5087403), (17, 4788144), (18, 4522136), (24, 3391602), (34, 2394072), (36, 2261068), (41, 1985328), (48, 1695801), (51, 1596048), (68, 1197036), (72, 1130534), (82, 992664), (102, 798024), (123, 661776), (136, 598518), (144, 565267), (153, 532016), (164, 496332), (204, 399012), (246, 330888), (272, 299259), (306, 266008), (328, 248166), (369, 220592), (408, 199506), (492, 165444), (612, 133004), (656, 124083), (697, 116784), (738, 110296), (811, 100368), (816, 99753), (984, 82722), (1224, 66502), (1394, 58392), (1476, 55148), (1622, 50184), (1968, 41361), (2091, 38928), (2433, 33456), (2448, 33251), (2788, 29196), (2952, 27574), (3244, 25092), (4182, 19464), (4866, 16728), (5576, 14598), (5904, 13787), (6273, 12976), (6488, 12546), (7299, 11152), (8364, 9732)]