81491284

素因数分解:

$2^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{12491}}^1$

素因数の和:12735

約数の個数: 24

約数和(自身を含む): 163695168

約数和(自身を除く): 82203884

約数列:

[1, 2, 4, 7, 14, 28, 233, 466, 932, 1631, 3262, 6524, 12491, 24982, 49964, 87437, 174874, 349748, 2910403, 5820806, 11641612, 20372821, 40745642, 81491284]

約数ペア:

[(1, 81491284), (2, 40745642), (4, 20372821), (7, 11641612), (14, 5820806), (28, 2910403), (233, 349748), (466, 174874), (932, 87437), (1631, 49964), (3262, 24982), (6524, 12491)]