1396816

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{1303}}^1$

素因数の和:1378

約数の個数: 20

約数和(自身を含む): 2748832

約数和(自身を除く): 1352016

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 1303, 2606, 5212, 10424, 20848, 87301, 174602, 349204, 698408, 1396816]

約数ペア:

[(1, 1396816), (2, 698408), (4, 349204), (8, 174602), (16, 87301), (67, 20848), (134, 10424), (268, 5212), (536, 2606), (1072, 1303)]