218361775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{1973}}^1$

素因数の和:2235

約数の個数: 24

約数和(自身を含む): 286387920

約数和(自身を除く): 68026145

約数列:

[1, 5, 19, 25, 95, 233, 475, 1165, 1973, 4427, 5825, 9865, 22135, 37487, 49325, 110675, 187435, 459709, 937175, 2298545, 8734471, 11492725, 43672355, 218361775]

約数ペア:

[(1, 218361775), (5, 43672355), (19, 11492725), (25, 8734471), (95, 2298545), (233, 937175), (475, 459709), (1165, 187435), (1973, 110675), (4427, 49325), (5825, 37487), (9865, 22135)]