81956484

素因数分解:

$2^2\times 3^2\times {\mathrm{569}}^1\times {\mathrm{4001}}^1$

素因数の和:4580

約数の個数: 36

約数和(自身を含む): 207583740

約数和(自身を除く): 125627256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 569, 1138, 1707, 2276, 3414, 4001, 5121, 6828, 8002, 10242, 12003, 16004, 20484, 24006, 36009, 48012, 72018, 144036, 2276569, 4553138, 6829707, 9106276, 13659414, 20489121, 27318828, 40978242, 81956484]

約数ペア:

[(1, 81956484), (2, 40978242), (3, 27318828), (4, 20489121), (6, 13659414), (9, 9106276), (12, 6829707), (18, 4553138), (36, 2276569), (569, 144036), (1138, 72018), (1707, 48012), (2276, 36009), (3414, 24006), (4001, 20484), (5121, 16004), (6828, 12003), (8002, 10242)]