260784433

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 330220800

約数和(自身を除く): 69436367

約数列:

[1, 7, 13, 53, 91, 139, 371, 389, 689, 973, 1807, 2723, 4823, 5057, 7367, 12649, 20617, 35399, 51569, 54071, 95771, 144319, 268021, 378497, 670397, 702923, 1876147, 2865763, 4920461, 20060341, 37254919, 260784433]

約数ペア:

[(1, 260784433), (7, 37254919), (13, 20060341), (53, 4920461), (91, 2865763), (139, 1876147), (371, 702923), (389, 670397), (689, 378497), (973, 268021), (1807, 144319), (2723, 95771), (4823, 54071), (5057, 51569), (7367, 35399), (12649, 20617)]