128545816

素因数分解:

$2^3\times 7^2\times {\mathrm{327923}}^1$

素因数の和:327943

約数の個数: 24

約数和(自身を含む): 280375020

約数和(自身を除く): 151829204

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 327923, 655846, 1311692, 2295461, 2623384, 4590922, 9181844, 16068227, 18363688, 32136454, 64272908, 128545816]

約数ペア:

[(1, 128545816), (2, 64272908), (4, 32136454), (7, 18363688), (8, 16068227), (14, 9181844), (28, 4590922), (49, 2623384), (56, 2295461), (98, 1311692), (196, 655846), (392, 327923)]