219860816

素因数分解:

$2^4\times 7^1\times {\mathrm{73}}^1\times {\mathrm{26891}}^1$

素因数の和:26979

約数の個数: 40

約数和(自身を含む): 493521984

約数和(自身を除く): 273661168

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 73, 112, 146, 292, 511, 584, 1022, 1168, 2044, 4088, 8176, 26891, 53782, 107564, 188237, 215128, 376474, 430256, 752948, 1505896, 1963043, 3011792, 3926086, 7852172, 13741301, 15704344, 27482602, 31408688, 54965204, 109930408, 219860816]

約数ペア:

[(1, 219860816), (2, 109930408), (4, 54965204), (7, 31408688), (8, 27482602), (14, 15704344), (16, 13741301), (28, 7852172), (56, 3926086), (73, 3011792), (112, 1963043), (146, 1505896), (292, 752948), (511, 430256), (584, 376474), (1022, 215128), (1168, 188237), (2044, 107564), (4088, 53782), (8176, 26891)]