133342976

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:521

約数の個数: 72

約数和(自身を含む): 290166240

約数和(自身を除く): 156823264

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 206, 208, 256, 389, 412, 416, 778, 824, 832, 1339, 1556, 1648, 1664, 2678, 3112, 3296, 3328, 5057, 5356, 6224, 6592, 10114, 10712, 12448, 13184, 20228, 21424, 24896, 26368, 40067, 40456, 42848, 49792, 80134, 80912, 85696, 99584, 160268, 161824, 171392, 320536, 323648, 342784, 520871, 641072, 647296, 1041742, 1282144, 1294592, 2083484, 2564288, 4166968, 5128576, 8333936, 10257152, 16667872, 33335744, 66671488, 133342976]

約数ペア:

[(1, 133342976), (2, 66671488), (4, 33335744), (8, 16667872), (13, 10257152), (16, 8333936), (26, 5128576), (32, 4166968), (52, 2564288), (64, 2083484), (103, 1294592), (104, 1282144), (128, 1041742), (206, 647296), (208, 641072), (256, 520871), (389, 342784), (412, 323648), (416, 320536), (778, 171392), (824, 161824), (832, 160268), (1339, 99584), (1556, 85696), (1648, 80912), (1664, 80134), (2678, 49792), (3112, 42848), (3296, 40456), (3328, 40067), (5057, 26368), (5356, 24896), (6224, 21424), (6592, 20228), (10114, 13184), (10712, 12448)]