538038

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 24

約数和(自身を含む): 1184976

約数和(自身を除く): 646938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 421, 426, 639, 842, 1263, 1278, 2526, 3789, 7578, 29891, 59782, 89673, 179346, 269019, 538038]

約数ペア:

[(1, 538038), (2, 269019), (3, 179346), (6, 89673), (9, 59782), (18, 29891), (71, 7578), (142, 3789), (213, 2526), (421, 1278), (426, 1263), (639, 842)]