399164418

素因数分解:

$2^1\times 3^2\times {\mathrm{1117}}^1\times {\mathrm{19853}}^1$

素因数の和:20978

約数の個数: 24

約数和(自身を含む): 865674108

約数和(自身を除く): 466509690

約数列:

[1, 2, 3, 6, 9, 18, 1117, 2234, 3351, 6702, 10053, 19853, 20106, 39706, 59559, 119118, 178677, 357354, 22175801, 44351602, 66527403, 133054806, 199582209, 399164418]

約数ペア:

[(1, 399164418), (2, 199582209), (3, 133054806), (6, 66527403), (9, 44351602), (18, 22175801), (1117, 357354), (2234, 178677), (3351, 119118), (6702, 59559), (10053, 39706), (19853, 20106)]