128900386768

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{57958807}}^1$

素因数の和:57958954

約数の個数: 20

約数和(自身を含む): 251541226720

約数和(自身を除く): 122640839952

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 57958807, 115917614, 231835228, 463670456, 927340912, 8056274173, 16112548346, 32225096692, 64450193384, 128900386768]

約数ペア:

[(1, 128900386768), (2, 64450193384), (4, 32225096692), (8, 16112548346), (16, 8056274173), (139, 927340912), (278, 463670456), (556, 231835228), (1112, 115917614), (2224, 57958807)]