213819305

素因数分解:

$5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1367}}^1$

素因数の和:1529

約数の個数: 32

約数和(自身を含む): 303367680

約数和(自身を除く): 89548375

約数列:

[1, 5, 7, 35, 41, 109, 205, 287, 545, 763, 1367, 1435, 3815, 4469, 6835, 9569, 22345, 31283, 47845, 56047, 149003, 156415, 280235, 392329, 745015, 1043021, 1961645, 5215105, 6109123, 30545615, 42763861, 213819305]

約数ペア:

[(1, 213819305), (5, 42763861), (7, 30545615), (35, 6109123), (41, 5215105), (109, 1961645), (205, 1043021), (287, 745015), (545, 392329), (763, 280235), (1367, 156415), (1435, 149003), (3815, 56047), (4469, 47845), (6835, 31283), (9569, 22345)]