28270672

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19853}}^1$

素因数の和:19950

約数の個数: 20

約数和(自身を含む): 55392660

約数和(自身を除く): 27121988

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19853, 39706, 79412, 158824, 317648, 1766917, 3533834, 7067668, 14135336, 28270672]

約数ペア:

[(1, 28270672), (2, 14135336), (4, 7067668), (8, 3533834), (16, 1766917), (89, 317648), (178, 158824), (356, 79412), (712, 39706), (1424, 19853)]