221344256

素因数分解:

$2^9\times 7^1\times {\mathrm{151}}^1\times {\mathrm{409}}^1$

素因数の和:585

約数の個数: 80

約数和(自身を含む): 510026880

約数和(自身を除く): 288682624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 151, 224, 256, 302, 409, 448, 512, 604, 818, 896, 1057, 1208, 1636, 1792, 2114, 2416, 2863, 3272, 3584, 4228, 4832, 5726, 6544, 8456, 9664, 11452, 13088, 16912, 19328, 22904, 26176, 33824, 38656, 45808, 52352, 61759, 67648, 77312, 91616, 104704, 123518, 135296, 183232, 209408, 247036, 270592, 366464, 432313, 494072, 541184, 732928, 864626, 988144, 1465856, 1729252, 1976288, 3458504, 3952576, 6917008, 7905152, 13834016, 15810304, 27668032, 31620608, 55336064, 110672128, 221344256]

約数ペア:

[(1, 221344256), (2, 110672128), (4, 55336064), (7, 31620608), (8, 27668032), (14, 15810304), (16, 13834016), (28, 7905152), (32, 6917008), (56, 3952576), (64, 3458504), (112, 1976288), (128, 1729252), (151, 1465856), (224, 988144), (256, 864626), (302, 732928), (409, 541184), (448, 494072), (512, 432313), (604, 366464), (818, 270592), (896, 247036), (1057, 209408), (1208, 183232), (1636, 135296), (1792, 123518), (2114, 104704), (2416, 91616), (2863, 77312), (3272, 67648), (3584, 61759), (4228, 52352), (4832, 45808), (5726, 38656), (6544, 33824), (8456, 26176), (9664, 22904), (11452, 19328), (13088, 16912)]