87865253

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 110714880

約数和(自身を除く): 22849627

約数列:

[1, 7, 19, 31, 101, 133, 211, 217, 589, 707, 1477, 1919, 3131, 4009, 4123, 6541, 13433, 21311, 21917, 28063, 45787, 59489, 124279, 149177, 404909, 416423, 660641, 869953, 2834363, 4624487, 12552179, 87865253]

約数ペア:

[(1, 87865253), (7, 12552179), (19, 4624487), (31, 2834363), (101, 869953), (133, 660641), (211, 416423), (217, 404909), (589, 149177), (707, 124279), (1477, 59489), (1919, 45787), (3131, 28063), (4009, 21917), (4123, 21311), (6541, 13433)]