28278516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{336649}}^1$

素因数の和:336663

約数の個数: 24

約数和(自身を含む): 75409600

約数和(自身を除く): 47131084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 336649, 673298, 1009947, 1346596, 2019894, 2356543, 4039788, 4713086, 7069629, 9426172, 14139258, 28278516]

約数ペア:

[(1, 28278516), (2, 14139258), (3, 9426172), (4, 7069629), (6, 4713086), (7, 4039788), (12, 2356543), (14, 2019894), (21, 1346596), (28, 1009947), (42, 673298), (84, 336649)]