81331224

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{260677}}^1$

素因数の和:260699

約数の個数: 32

約数和(自身を含む): 218969520

約数和(自身を除く): 137638296

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 260677, 521354, 782031, 1042708, 1564062, 2085416, 3128124, 3388801, 6256248, 6777602, 10166403, 13555204, 20332806, 27110408, 40665612, 81331224]

約数ペア:

[(1, 81331224), (2, 40665612), (3, 27110408), (4, 20332806), (6, 13555204), (8, 10166403), (12, 6777602), (13, 6256248), (24, 3388801), (26, 3128124), (39, 2085416), (52, 1564062), (78, 1042708), (104, 782031), (156, 521354), (312, 260677)]