81990828

素因数分解:

$2^2\times 3^2\times {\mathrm{181}}^1\times {\mathrm{12583}}^1$

素因数の和:12774

約数の個数: 36

約数和(自身を含む): 208416208

約数和(自身を除く): 126425380

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 6516, 12583, 25166, 37749, 50332, 75498, 113247, 150996, 226494, 452988, 2277523, 4555046, 6832569, 9110092, 13665138, 20497707, 27330276, 40995414, 81990828]

約数ペア:

[(1, 81990828), (2, 40995414), (3, 27330276), (4, 20497707), (6, 13665138), (9, 9110092), (12, 6832569), (18, 4555046), (36, 2277523), (181, 452988), (362, 226494), (543, 150996), (724, 113247), (1086, 75498), (1629, 50332), (2172, 37749), (3258, 25166), (6516, 12583)]