128923648

素因数分解:

$2^{11}\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2$

素因数の和:92

約数の個数: 144

約数和(自身を含む): 326093040

約数和(自身を除く): 197169392

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 23, 28, 32, 34, 46, 56, 64, 68, 92, 112, 119, 128, 136, 161, 184, 224, 238, 256, 272, 322, 368, 391, 448, 476, 512, 529, 544, 644, 736, 782, 896, 952, 1024, 1058, 1088, 1288, 1472, 1564, 1792, 1904, 2048, 2116, 2176, 2576, 2737, 2944, 3128, 3584, 3703, 3808, 4232, 4352, 5152, 5474, 5888, 6256, 7168, 7406, 7616, 8464, 8704, 8993, 10304, 10948, 11776, 12512, 14336, 14812, 15232, 16928, 17408, 17986, 20608, 21896, 23552, 25024, 29624, 30464, 33856, 34816, 35972, 41216, 43792, 47104, 50048, 59248, 60928, 62951, 67712, 71944, 82432, 87584, 100096, 118496, 121856, 125902, 135424, 143888, 164864, 175168, 200192, 236992, 243712, 251804, 270848, 287776, 329728, 350336, 400384, 473984, 503608, 541696, 575552, 700672, 800768, 947968, 1007216, 1083392, 1151104, 1401344, 1895936, 2014432, 2302208, 2802688, 3791872, 4028864, 4604416, 5605376, 7583744, 8057728, 9208832, 16115456, 18417664, 32230912, 64461824, 128923648]

約数ペア:

[(1, 128923648), (2, 64461824), (4, 32230912), (7, 18417664), (8, 16115456), (14, 9208832), (16, 8057728), (17, 7583744), (23, 5605376), (28, 4604416), (32, 4028864), (34, 3791872), (46, 2802688), (56, 2302208), (64, 2014432), (68, 1895936), (92, 1401344), (112, 1151104), (119, 1083392), (128, 1007216), (136, 947968), (161, 800768), (184, 700672), (224, 575552), (238, 541696), (256, 503608), (272, 473984), (322, 400384), (368, 350336), (391, 329728), (448, 287776), (476, 270848), (512, 251804), (529, 243712), (544, 236992), (644, 200192), (736, 175168), (782, 164864), (896, 143888), (952, 135424), (1024, 125902), (1058, 121856), (1088, 118496), (1288, 100096), (1472, 87584), (1564, 82432), (1792, 71944), (1904, 67712), (2048, 62951), (2116, 60928), (2176, 59248), (2576, 50048), (2737, 47104), (2944, 43792), (3128, 41216), (3584, 35972), (3703, 34816), (3808, 33856), (4232, 30464), (4352, 29624), (5152, 25024), (5474, 23552), (5888, 21896), (6256, 20608), (7168, 17986), (7406, 17408), (7616, 16928), (8464, 15232), (8704, 14812), (8993, 14336), (10304, 12512), (10948, 11776)]