81144324

素因数分解:

$2^2\times 3^2\times {\mathrm{239}}^1\times {\mathrm{9431}}^1$

素因数の和:9680

約数の個数: 36

約数和(自身を含む): 205994880

約数和(自身を除く): 124850556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 239, 478, 717, 956, 1434, 2151, 2868, 4302, 8604, 9431, 18862, 28293, 37724, 56586, 84879, 113172, 169758, 339516, 2254009, 4508018, 6762027, 9016036, 13524054, 20286081, 27048108, 40572162, 81144324]

約数ペア:

[(1, 81144324), (2, 40572162), (3, 27048108), (4, 20286081), (6, 13524054), (9, 9016036), (12, 6762027), (18, 4508018), (36, 2254009), (239, 339516), (478, 169758), (717, 113172), (956, 84879), (1434, 56586), (2151, 37724), (2868, 28293), (4302, 18862), (8604, 9431)]