856008

素因数分解:

$2^3\times 3^4\times {\mathrm{1321}}^1$

素因数の和:1339

約数の個数: 40

約数和(自身を含む): 2399430

約数和(自身を除く): 1543422

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1321, 2642, 3963, 5284, 7926, 10568, 11889, 15852, 23778, 31704, 35667, 47556, 71334, 95112, 107001, 142668, 214002, 285336, 428004, 856008]

約数ペア:

[(1, 856008), (2, 428004), (3, 285336), (4, 214002), (6, 142668), (8, 107001), (9, 95112), (12, 71334), (18, 47556), (24, 35667), (27, 31704), (36, 23778), (54, 15852), (72, 11889), (81, 10568), (108, 7926), (162, 5284), (216, 3963), (324, 2642), (648, 1321)]