138988864

素因数分解:

$2^6\times 7^1\times {\mathrm{310243}}^1$

素因数の和:310262

約数の個数: 28

約数和(自身を含む): 315207904

約数和(自身を除く): 176219040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 310243, 620486, 1240972, 2171701, 2481944, 4343402, 4963888, 8686804, 9927776, 17373608, 19855552, 34747216, 69494432, 138988864]

約数ペア:

[(1, 138988864), (2, 69494432), (4, 34747216), (7, 19855552), (8, 17373608), (14, 9927776), (16, 8686804), (28, 4963888), (32, 4343402), (56, 2481944), (64, 2171701), (112, 1240972), (224, 620486), (448, 310243)]