172916816

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{161303}}^1$

素因数の和:161378

約数の個数: 20

約数和(自身を含む): 340028832

約数和(自身を除く): 167112016

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 161303, 322606, 645212, 1290424, 2580848, 10807301, 21614602, 43229204, 86458408, 172916816]

約数ペア:

[(1, 172916816), (2, 86458408), (4, 43229204), (8, 21614602), (16, 10807301), (67, 2580848), (134, 1290424), (268, 645212), (536, 322606), (1072, 161303)]