81461804

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{257}}^1\times {\mathrm{727}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 144624480

約数和(自身を除く): 63162676

約数列:

[1, 2, 4, 109, 218, 257, 436, 514, 727, 1028, 1454, 2908, 28013, 56026, 79243, 112052, 158486, 186839, 316972, 373678, 747356, 20365451, 40730902, 81461804]

約数ペア:

[(1, 81461804), (2, 40730902), (4, 20365451), (109, 747356), (218, 373678), (257, 316972), (436, 186839), (514, 158486), (727, 112052), (1028, 79243), (1454, 56026), (2908, 28013)]