139392988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{160591}}^1$

素因数の和:160633

約数の個数: 24

約数和(自身を含む): 287780864

約数和(自身を除く): 148387876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 160591, 321182, 642364, 1124137, 2248274, 4496548, 4978321, 9956642, 19913284, 34848247, 69696494, 139392988]

約数ペア:

[(1, 139392988), (2, 69696494), (4, 34848247), (7, 19913284), (14, 9956642), (28, 4978321), (31, 4496548), (62, 2248274), (124, 1124137), (217, 642364), (434, 321182), (868, 160591)]