13440004

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{421}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 24671808

約数和(自身を除く): 11231804

約数列:

[1, 2, 4, 23, 46, 92, 347, 421, 694, 842, 1388, 1684, 7981, 9683, 15962, 19366, 31924, 38732, 146087, 292174, 584348, 3360001, 6720002, 13440004]

約数ペア:

[(1, 13440004), (2, 6720002), (4, 3360001), (23, 584348), (46, 292174), (92, 146087), (347, 38732), (421, 31924), (694, 19366), (842, 15962), (1388, 9683), (1684, 7981)]