213211648

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:445

約数の個数: 80

約数和(自身を含む): 464720256

約数和(自身を除く): 251508608

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 103, 104, 128, 206, 208, 256, 311, 412, 416, 512, 622, 824, 832, 1244, 1339, 1648, 1664, 2488, 2678, 3296, 3328, 4043, 4976, 5356, 6592, 6656, 8086, 9952, 10712, 13184, 16172, 19904, 21424, 26368, 32033, 32344, 39808, 42848, 52736, 64066, 64688, 79616, 85696, 128132, 129376, 159232, 171392, 256264, 258752, 342784, 416429, 512528, 517504, 685568, 832858, 1025056, 1035008, 1665716, 2050112, 2070016, 3331432, 4100224, 6662864, 8200448, 13325728, 16400896, 26651456, 53302912, 106605824, 213211648]

約数ペア:

[(1, 213211648), (2, 106605824), (4, 53302912), (8, 26651456), (13, 16400896), (16, 13325728), (26, 8200448), (32, 6662864), (52, 4100224), (64, 3331432), (103, 2070016), (104, 2050112), (128, 1665716), (206, 1035008), (208, 1025056), (256, 832858), (311, 685568), (412, 517504), (416, 512528), (512, 416429), (622, 342784), (824, 258752), (832, 256264), (1244, 171392), (1339, 159232), (1648, 129376), (1664, 128132), (2488, 85696), (2678, 79616), (3296, 64688), (3328, 64066), (4043, 52736), (4976, 42848), (5356, 39808), (6592, 32344), (6656, 32033), (8086, 26368), (9952, 21424), (10712, 19904), (13184, 16172)]