139403404

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{160603}}^1$

素因数の和:160645

約数の個数: 24

約数和(自身を含む): 287802368

約数和(自身を除く): 148398964

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 160603, 321206, 642412, 1124221, 2248442, 4496884, 4978693, 9957386, 19914772, 34850851, 69701702, 139403404]

約数ペア:

[(1, 139403404), (2, 69701702), (4, 34850851), (7, 19914772), (14, 9957386), (28, 4978693), (31, 4496884), (62, 2248442), (124, 1124221), (217, 642412), (434, 321206), (868, 160603)]