388796

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{71}}^1$

素因数の和:149

約数の個数: 18

約数和(自身を含む): 709128

約数和(自身を除く): 320332

約数列:

[1, 2, 4, 37, 71, 74, 142, 148, 284, 1369, 2627, 2738, 5254, 5476, 10508, 97199, 194398, 388796]

約数ペア:

[(1, 388796), (2, 194398), (4, 97199), (37, 10508), (71, 5476), (74, 5254), (142, 2738), (148, 2627), (284, 1369)]