1821296

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{1279}}^1$

素因数の和:1376

約数の個数: 20

約数和(自身を含む): 3571200

約数和(自身を除く): 1749904

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1279, 1424, 2558, 5116, 10232, 20464, 113831, 227662, 455324, 910648, 1821296]

約数ペア:

[(1, 1821296), (2, 910648), (4, 455324), (8, 227662), (16, 113831), (89, 20464), (178, 10232), (356, 5116), (712, 2558), (1279, 1424)]