201385465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 262137600

約数和(自身を除く): 60752135

約数列:

[1, 5, 19, 71, 73, 95, 355, 365, 409, 1349, 1387, 2045, 5183, 6745, 6935, 7771, 25915, 29039, 29857, 38855, 98477, 145195, 149285, 492385, 551741, 567283, 2119847, 2758705, 2836415, 10599235, 40277093, 201385465]

約数ペア:

[(1, 201385465), (5, 40277093), (19, 10599235), (71, 2836415), (73, 2758705), (95, 2119847), (355, 567283), (365, 551741), (409, 492385), (1349, 149285), (1387, 145195), (2045, 98477), (5183, 38855), (6745, 29857), (6935, 29039), (7771, 25915)]