81231902

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{10613}}^1$

素因数の和:10747

約数の個数: 16

約数和(自身を含む): 126094320

約数和(自身を除く): 44862418

約数列:

[1, 2, 43, 86, 89, 178, 3827, 7654, 10613, 21226, 456359, 912718, 944557, 1889114, 40615951, 81231902]

約数ペア:

[(1, 81231902), (2, 40615951), (43, 1889114), (86, 944557), (89, 912718), (178, 456359), (3827, 21226), (7654, 10613)]