1285453568

素因数分解:

$2^8\times 7^1\times {\mathrm{109}}^1\times {\mathrm{6581}}^1$

素因数の和:6713

約数の個数: 72

約数和(自身を含む): 2959793760

約数和(自身を除く): 1674340192

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 109, 112, 128, 218, 224, 256, 436, 448, 763, 872, 896, 1526, 1744, 1792, 3052, 3488, 6104, 6581, 6976, 12208, 13162, 13952, 24416, 26324, 27904, 46067, 48832, 52648, 92134, 97664, 105296, 184268, 195328, 210592, 368536, 421184, 717329, 737072, 842368, 1434658, 1474144, 1684736, 2869316, 2948288, 5021303, 5738632, 5896576, 10042606, 11477264, 11793152, 20085212, 22954528, 40170424, 45909056, 80340848, 91818112, 160681696, 183636224, 321363392, 642726784, 1285453568]

約数ペア:

[(1, 1285453568), (2, 642726784), (4, 321363392), (7, 183636224), (8, 160681696), (14, 91818112), (16, 80340848), (28, 45909056), (32, 40170424), (56, 22954528), (64, 20085212), (109, 11793152), (112, 11477264), (128, 10042606), (218, 5896576), (224, 5738632), (256, 5021303), (436, 2948288), (448, 2869316), (763, 1684736), (872, 1474144), (896, 1434658), (1526, 842368), (1744, 737072), (1792, 717329), (3052, 421184), (3488, 368536), (6104, 210592), (6581, 195328), (6976, 184268), (12208, 105296), (13162, 97664), (13952, 92134), (24416, 52648), (26324, 48832), (27904, 46067)]