81515266

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{253153}}^1$

素因数の和:253185

約数の個数: 16

約数和(自身を含む): 145816704

約数和(自身を除く): 64301438

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 253153, 506306, 1772071, 3544142, 5822519, 11645038, 40757633, 81515266]

約数ペア:

[(1, 81515266), (2, 40757633), (7, 11645038), (14, 5822519), (23, 3544142), (46, 1772071), (161, 506306), (322, 253153)]