128575216

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{877}}^1$

素因数の和:927

約数の個数: 120

約数和(自身を含む): 335108016

約数和(自身を除く): 206532800

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 34, 44, 49, 56, 68, 77, 88, 98, 112, 119, 136, 154, 176, 187, 196, 238, 272, 308, 374, 392, 476, 539, 616, 748, 784, 833, 877, 952, 1078, 1232, 1309, 1496, 1666, 1754, 1904, 2156, 2618, 2992, 3332, 3508, 4312, 5236, 6139, 6664, 7016, 8624, 9163, 9647, 10472, 12278, 13328, 14032, 14909, 18326, 19294, 20944, 24556, 29818, 36652, 38588, 42973, 49112, 59636, 67529, 73304, 77176, 85946, 98224, 104363, 119272, 135058, 146608, 154352, 163999, 171892, 208726, 238544, 270116, 327998, 343784, 417452, 472703, 540232, 655996, 687568, 730541, 834904, 945406, 1080464, 1147993, 1311992, 1461082, 1669808, 1890812, 2295986, 2623984, 2922164, 3781624, 4591972, 5844328, 7563248, 8035951, 9183944, 11688656, 16071902, 18367888, 32143804, 64287608, 128575216]

約数ペア:

[(1, 128575216), (2, 64287608), (4, 32143804), (7, 18367888), (8, 16071902), (11, 11688656), (14, 9183944), (16, 8035951), (17, 7563248), (22, 5844328), (28, 4591972), (34, 3781624), (44, 2922164), (49, 2623984), (56, 2295986), (68, 1890812), (77, 1669808), (88, 1461082), (98, 1311992), (112, 1147993), (119, 1080464), (136, 945406), (154, 834904), (176, 730541), (187, 687568), (196, 655996), (238, 540232), (272, 472703), (308, 417452), (374, 343784), (392, 327998), (476, 270116), (539, 238544), (616, 208726), (748, 171892), (784, 163999), (833, 154352), (877, 146608), (952, 135058), (1078, 119272), (1232, 104363), (1309, 98224), (1496, 85946), (1666, 77176), (1754, 73304), (1904, 67529), (2156, 59636), (2618, 49112), (2992, 42973), (3332, 38588), (3508, 36652), (4312, 29818), (5236, 24556), (6139, 20944), (6664, 19294), (7016, 18326), (8624, 14909), (9163, 14032), (9647, 13328), (10472, 12278)]