13440488

素因数分解:

$2^3\times {\mathrm{641}}^1\times {\mathrm{2621}}^1$

素因数の和:3268

約数の個数: 16

約数和(自身を含む): 25249860

約数和(自身を除く): 11809372

約数列:

[1, 2, 4, 8, 641, 1282, 2564, 2621, 5128, 5242, 10484, 20968, 1680061, 3360122, 6720244, 13440488]

約数ペア:

[(1, 13440488), (2, 6720244), (4, 3360122), (8, 1680061), (641, 20968), (1282, 10484), (2564, 5242), (2621, 5128)]