721886368

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{293}}^1\times {\mathrm{647}}^1$

素因数の和:974

約数の個数: 96

約数和(自身を含む): 1728324864

約数和(自身を除く): 1006438496

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 293, 476, 544, 586, 647, 952, 1172, 1294, 1904, 2051, 2344, 2588, 3808, 4102, 4529, 4688, 4981, 5176, 8204, 9058, 9376, 9962, 10352, 10999, 16408, 18116, 19924, 20704, 21998, 32816, 34867, 36232, 39848, 43996, 65632, 69734, 72464, 76993, 79696, 87992, 139468, 144928, 153986, 159392, 175984, 189571, 278936, 307972, 351968, 379142, 557872, 615944, 758284, 1115744, 1231888, 1326997, 1516568, 2463776, 2653994, 3033136, 3222707, 5307988, 6066272, 6445414, 10615976, 12890828, 21231952, 22558949, 25781656, 42463904, 45117898, 51563312, 90235796, 103126624, 180471592, 360943184, 721886368]

約数ペア:

[(1, 721886368), (2, 360943184), (4, 180471592), (7, 103126624), (8, 90235796), (14, 51563312), (16, 45117898), (17, 42463904), (28, 25781656), (32, 22558949), (34, 21231952), (56, 12890828), (68, 10615976), (112, 6445414), (119, 6066272), (136, 5307988), (224, 3222707), (238, 3033136), (272, 2653994), (293, 2463776), (476, 1516568), (544, 1326997), (586, 1231888), (647, 1115744), (952, 758284), (1172, 615944), (1294, 557872), (1904, 379142), (2051, 351968), (2344, 307972), (2588, 278936), (3808, 189571), (4102, 175984), (4529, 159392), (4688, 153986), (4981, 144928), (5176, 139468), (8204, 87992), (9058, 79696), (9376, 76993), (9962, 72464), (10352, 69734), (10999, 65632), (16408, 43996), (18116, 39848), (19924, 36232), (20704, 34867), (21998, 32816)]