998118

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^2$

素因数の和:161

約数の個数: 36

約数和(自身を含む): 2392884

約数和(自身を除く): 1394766

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1562, 2343, 4686, 5041, 7029, 10082, 14058, 15123, 30246, 45369, 55451, 90738, 110902, 166353, 332706, 499059, 998118]

約数ペア:

[(1, 998118), (2, 499059), (3, 332706), (6, 166353), (9, 110902), (11, 90738), (18, 55451), (22, 45369), (33, 30246), (66, 15123), (71, 14058), (99, 10082), (142, 7029), (198, 5041), (213, 4686), (426, 2343), (639, 1562), (781, 1278)]