71784

素因数分解:

$2^3\times 3^2\times {\mathrm{997}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 194610

約数和(自身を除く): 122826

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 997, 1994, 2991, 3988, 5982, 7976, 8973, 11964, 17946, 23928, 35892, 71784]

約数ペア:

[(1, 71784), (2, 35892), (3, 23928), (4, 17946), (6, 11964), (8, 8973), (9, 7976), (12, 5982), (18, 3988), (24, 2991), (36, 1994), (72, 997)]