28980224

素因数分解:

$2^{10}\times 7^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:351

約数の個数: 88

約数和(自身を含む): 71530368

約数和(自身を除く): 42550144

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 311, 364, 416, 448, 512, 622, 728, 832, 896, 1024, 1244, 1456, 1664, 1792, 2177, 2488, 2912, 3328, 3584, 4043, 4354, 4976, 5824, 6656, 7168, 8086, 8708, 9952, 11648, 13312, 16172, 17416, 19904, 23296, 28301, 32344, 34832, 39808, 46592, 56602, 64688, 69664, 79616, 93184, 113204, 129376, 139328, 159232, 226408, 258752, 278656, 318464, 452816, 517504, 557312, 905632, 1035008, 1114624, 1811264, 2070016, 2229248, 3622528, 4140032, 7245056, 14490112, 28980224]

約数ペア:

[(1, 28980224), (2, 14490112), (4, 7245056), (7, 4140032), (8, 3622528), (13, 2229248), (14, 2070016), (16, 1811264), (26, 1114624), (28, 1035008), (32, 905632), (52, 557312), (56, 517504), (64, 452816), (91, 318464), (104, 278656), (112, 258752), (128, 226408), (182, 159232), (208, 139328), (224, 129376), (256, 113204), (311, 93184), (364, 79616), (416, 69664), (448, 64688), (512, 56602), (622, 46592), (728, 39808), (832, 34832), (896, 32344), (1024, 28301), (1244, 23296), (1456, 19904), (1664, 17416), (1792, 16172), (2177, 13312), (2488, 11648), (2912, 9952), (3328, 8708), (3584, 8086), (4043, 7168), (4354, 6656), (4976, 5824)]