647130848

素因数分解:

$2^5\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{599}}^1$

素因数の和:689

約数の個数: 144

約数和(自身を含む): 1628877600

約数和(自身を除く): 981746752

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 53, 56, 91, 98, 104, 106, 112, 182, 196, 208, 212, 224, 364, 371, 392, 416, 424, 599, 637, 689, 728, 742, 784, 848, 1198, 1274, 1378, 1456, 1484, 1568, 1696, 2396, 2548, 2597, 2756, 2912, 2968, 4193, 4792, 4823, 5096, 5194, 5512, 5936, 7787, 8386, 9584, 9646, 10192, 10388, 11024, 11872, 15574, 16772, 19168, 19292, 20384, 20776, 22048, 29351, 31148, 31747, 33544, 33761, 38584, 41552, 54509, 58702, 62296, 63494, 67088, 67522, 77168, 83104, 109018, 117404, 124592, 126988, 134176, 135044, 154336, 218036, 222229, 234808, 249184, 253976, 270088, 381563, 412711, 436072, 444458, 469616, 507952, 540176, 763126, 825422, 872144, 888916, 939232, 1015904, 1080352, 1526252, 1555603, 1650844, 1744288, 1777832, 2888977, 3052504, 3111206, 3301688, 3555664, 5777954, 6105008, 6222412, 6603376, 7111328, 11555908, 12210016, 12444824, 13206752, 20222839, 23111816, 24889648, 40445678, 46223632, 49779296, 80891356, 92447264, 161782712, 323565424, 647130848]

約数ペア:

[(1, 647130848), (2, 323565424), (4, 161782712), (7, 92447264), (8, 80891356), (13, 49779296), (14, 46223632), (16, 40445678), (26, 24889648), (28, 23111816), (32, 20222839), (49, 13206752), (52, 12444824), (53, 12210016), (56, 11555908), (91, 7111328), (98, 6603376), (104, 6222412), (106, 6105008), (112, 5777954), (182, 3555664), (196, 3301688), (208, 3111206), (212, 3052504), (224, 2888977), (364, 1777832), (371, 1744288), (392, 1650844), (416, 1555603), (424, 1526252), (599, 1080352), (637, 1015904), (689, 939232), (728, 888916), (742, 872144), (784, 825422), (848, 763126), (1198, 540176), (1274, 507952), (1378, 469616), (1456, 444458), (1484, 436072), (1568, 412711), (1696, 381563), (2396, 270088), (2548, 253976), (2597, 249184), (2756, 234808), (2912, 222229), (2968, 218036), (4193, 154336), (4792, 135044), (4823, 134176), (5096, 126988), (5194, 124592), (5512, 117404), (5936, 109018), (7787, 83104), (8386, 77168), (9584, 67522), (9646, 67088), (10192, 63494), (10388, 62296), (11024, 58702), (11872, 54509), (15574, 41552), (16772, 38584), (19168, 33761), (19292, 33544), (20384, 31747), (20776, 31148), (22048, 29351)]