13421485

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:585

約数の個数: 32

約数和(自身を含む): 20404224

約数和(自身を除く): 6982739

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 491, 497, 781, 2455, 2485, 3437, 3905, 5401, 5467, 17185, 27005, 27335, 34861, 37807, 174305, 189035, 244027, 383471, 1220135, 1917355, 2684297, 13421485]

約数ペア:

[(1, 13421485), (5, 2684297), (7, 1917355), (11, 1220135), (35, 383471), (55, 244027), (71, 189035), (77, 174305), (355, 37807), (385, 34861), (491, 27335), (497, 27005), (781, 17185), (2455, 5467), (2485, 5401), (3437, 3905)]