389968384

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1429}}^1$

素因数の和:1501

約数の個数: 80

約数和(自身を含む): 860179320

約数和(自身を除く): 470210936

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 64, 82, 104, 128, 164, 208, 256, 328, 416, 512, 533, 656, 832, 1066, 1312, 1429, 1664, 2132, 2624, 2858, 3328, 4264, 5248, 5716, 6656, 8528, 10496, 11432, 17056, 18577, 20992, 22864, 34112, 37154, 45728, 58589, 68224, 74308, 91456, 117178, 136448, 148616, 182912, 234356, 272896, 297232, 365824, 468712, 594464, 731648, 761657, 937424, 1188928, 1523314, 1874848, 2377856, 3046628, 3749696, 4755712, 6093256, 7499392, 9511424, 12186512, 14998784, 24373024, 29997568, 48746048, 97492096, 194984192, 389968384]

約数ペア:

[(1, 389968384), (2, 194984192), (4, 97492096), (8, 48746048), (13, 29997568), (16, 24373024), (26, 14998784), (32, 12186512), (41, 9511424), (52, 7499392), (64, 6093256), (82, 4755712), (104, 3749696), (128, 3046628), (164, 2377856), (208, 1874848), (256, 1523314), (328, 1188928), (416, 937424), (512, 761657), (533, 731648), (656, 594464), (832, 468712), (1066, 365824), (1312, 297232), (1429, 272896), (1664, 234356), (2132, 182912), (2624, 148616), (2858, 136448), (3328, 117178), (4264, 91456), (5248, 74308), (5716, 68224), (6656, 58589), (8528, 45728), (10496, 37154), (11432, 34112), (17056, 22864), (18577, 20992)]