28087808

素因数分解:

$2^9\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:503

約数の個数: 80

約数和(自身を含む): 68058144

約数和(自身を除く): 39970336

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 256, 272, 448, 461, 476, 512, 544, 896, 922, 952, 1088, 1792, 1844, 1904, 2176, 3227, 3584, 3688, 3808, 4352, 6454, 7376, 7616, 7837, 8704, 12908, 14752, 15232, 15674, 25816, 29504, 30464, 31348, 51632, 54859, 59008, 60928, 62696, 103264, 109718, 118016, 125392, 206528, 219436, 236032, 250784, 413056, 438872, 501568, 826112, 877744, 1003136, 1652224, 1755488, 2006272, 3510976, 4012544, 7021952, 14043904, 28087808]

約数ペア:

[(1, 28087808), (2, 14043904), (4, 7021952), (7, 4012544), (8, 3510976), (14, 2006272), (16, 1755488), (17, 1652224), (28, 1003136), (32, 877744), (34, 826112), (56, 501568), (64, 438872), (68, 413056), (112, 250784), (119, 236032), (128, 219436), (136, 206528), (224, 125392), (238, 118016), (256, 109718), (272, 103264), (448, 62696), (461, 60928), (476, 59008), (512, 54859), (544, 51632), (896, 31348), (922, 30464), (952, 29504), (1088, 25816), (1792, 15674), (1844, 15232), (1904, 14752), (2176, 12908), (3227, 8704), (3584, 7837), (3688, 7616), (3808, 7376), (4352, 6454)]