81925426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{23719}}^1$

素因数の和:23889

約数の個数: 16

約数和(自身を含む): 134919360

約数和(自身を除く): 52993934

約数列:

[1, 2, 11, 22, 157, 314, 1727, 3454, 23719, 47438, 260909, 521818, 3723883, 7447766, 40962713, 81925426]

約数ペア:

[(1, 81925426), (2, 40962713), (11, 7447766), (22, 3723883), (157, 521818), (314, 260909), (1727, 47438), (3454, 23719)]