243736415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1657}}^1$

素因数の和:1779

約数の個数: 32

約数和(自身を含む): 329796096

約数和(自身を除く): 86059681

約数列:

[1, 5, 13, 31, 65, 73, 155, 365, 403, 949, 1657, 2015, 2263, 4745, 8285, 11315, 21541, 29419, 51367, 107705, 120961, 147095, 256835, 604805, 667771, 1572493, 3338855, 3749791, 7862465, 18748955, 48747283, 243736415]

約数ペア:

[(1, 243736415), (5, 48747283), (13, 18748955), (31, 7862465), (65, 3749791), (73, 3338855), (155, 1572493), (365, 667771), (403, 604805), (949, 256835), (1657, 147095), (2015, 120961), (2263, 107705), (4745, 51367), (8285, 29419), (11315, 21541)]