81277777784

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{461}}^1\times {\mathrm{4517}}^1$

素因数の和:5049

約数の個数: 128

約数和(自身を含む): 189361307520

約数和(自身を除く): 108083529736

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 41, 56, 68, 82, 119, 136, 164, 238, 287, 328, 461, 476, 574, 697, 922, 952, 1148, 1394, 1844, 2296, 2788, 3227, 3688, 4517, 4879, 5576, 6454, 7837, 9034, 9758, 12908, 15674, 18068, 18901, 19516, 25816, 31348, 31619, 36136, 37802, 39032, 54859, 62696, 63238, 75604, 76789, 109718, 126476, 132307, 151208, 153578, 185197, 219436, 252952, 264614, 307156, 321317, 370394, 438872, 529228, 537523, 614312, 642634, 740788, 1058456, 1075046, 1285268, 1296379, 1481576, 2082337, 2150092, 2249219, 2570536, 2592758, 3148349, 4164674, 4300184, 4498438, 5185516, 6296698, 8329348, 8996876, 10371032, 12593396, 14576359, 16658696, 17993752, 22038443, 25186792, 29152718, 35399729, 44076886, 58305436, 70799458, 85375817, 88153772, 116610872, 141598916, 170751634, 176307544, 247798103, 283197832, 341503268, 495596206, 597630719, 683006536, 991192412, 1195261438, 1451388889, 1982384824, 2390522876, 2902777778, 4781045752, 5805555556, 10159722223, 11611111112, 20319444446, 40638888892, 81277777784]

約数ペア:

[(1, 81277777784), (2, 40638888892), (4, 20319444446), (7, 11611111112), (8, 10159722223), (14, 5805555556), (17, 4781045752), (28, 2902777778), (34, 2390522876), (41, 1982384824), (56, 1451388889), (68, 1195261438), (82, 991192412), (119, 683006536), (136, 597630719), (164, 495596206), (238, 341503268), (287, 283197832), (328, 247798103), (461, 176307544), (476, 170751634), (574, 141598916), (697, 116610872), (922, 88153772), (952, 85375817), (1148, 70799458), (1394, 58305436), (1844, 44076886), (2296, 35399729), (2788, 29152718), (3227, 25186792), (3688, 22038443), (4517, 17993752), (4879, 16658696), (5576, 14576359), (6454, 12593396), (7837, 10371032), (9034, 8996876), (9758, 8329348), (12908, 6296698), (15674, 5185516), (18068, 4498438), (18901, 4300184), (19516, 4164674), (25816, 3148349), (31348, 2592758), (31619, 2570536), (36136, 2249219), (37802, 2150092), (39032, 2082337), (54859, 1481576), (62696, 1296379), (63238, 1285268), (75604, 1075046), (76789, 1058456), (109718, 740788), (126476, 642634), (132307, 614312), (151208, 537523), (153578, 529228), (185197, 438872), (219436, 370394), (252952, 321317), (264614, 307156)]