138213488

素因数分解:

$2^4\times 7^1\times {\mathrm{1234049}}^1$

素因数の和:1234064

約数の個数: 20

約数和(自身を含む): 306044400

約数和(自身を除く): 167830912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1234049, 2468098, 4936196, 8638343, 9872392, 17276686, 19744784, 34553372, 69106744, 138213488]

約数ペア:

[(1, 138213488), (2, 69106744), (4, 34553372), (7, 19744784), (8, 17276686), (14, 9872392), (16, 8638343), (28, 4936196), (56, 2468098), (112, 1234049)]