28904512

素因数分解:

$2^6\times 7^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1$

素因数の和:748

約数の個数: 84

約数和(自身を含む): 71955660

約数和(自身を除く): 43051148

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 182, 196, 208, 224, 364, 392, 416, 448, 637, 709, 728, 784, 832, 1274, 1418, 1456, 1568, 2548, 2836, 2912, 3136, 4963, 5096, 5672, 5824, 9217, 9926, 10192, 11344, 18434, 19852, 20384, 22688, 34741, 36868, 39704, 40768, 45376, 64519, 69482, 73736, 79408, 129038, 138964, 147472, 158816, 258076, 277928, 294944, 317632, 451633, 516152, 555856, 589888, 903266, 1032304, 1111712, 1806532, 2064608, 2223424, 3613064, 4129216, 7226128, 14452256, 28904512]

約数ペア:

[(1, 28904512), (2, 14452256), (4, 7226128), (7, 4129216), (8, 3613064), (13, 2223424), (14, 2064608), (16, 1806532), (26, 1111712), (28, 1032304), (32, 903266), (49, 589888), (52, 555856), (56, 516152), (64, 451633), (91, 317632), (98, 294944), (104, 277928), (112, 258076), (182, 158816), (196, 147472), (208, 138964), (224, 129038), (364, 79408), (392, 73736), (416, 69482), (448, 64519), (637, 45376), (709, 40768), (728, 39704), (784, 36868), (832, 34741), (1274, 22688), (1418, 20384), (1456, 19852), (1568, 18434), (2548, 11344), (2836, 10192), (2912, 9926), (3136, 9217), (4963, 5824), (5096, 5672)]