39691458

素因数分解:

$2^1\times 3^4\times {\mathrm{491}}^1\times {\mathrm{499}}^1$

素因数の和:1004

約数の個数: 40

約数和(自身を含む): 89298000

約数和(自身を除く): 49606542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 491, 499, 982, 998, 1473, 1497, 2946, 2994, 4419, 4491, 8838, 8982, 13257, 13473, 26514, 26946, 39771, 40419, 79542, 80838, 245009, 490018, 735027, 1470054, 2205081, 4410162, 6615243, 13230486, 19845729, 39691458]

約数ペア:

[(1, 39691458), (2, 19845729), (3, 13230486), (6, 6615243), (9, 4410162), (18, 2205081), (27, 1470054), (54, 735027), (81, 490018), (162, 245009), (491, 80838), (499, 79542), (982, 40419), (998, 39771), (1473, 26946), (1497, 26514), (2946, 13473), (2994, 13257), (4419, 8982), (4491, 8838)]