31131128

素因数分解:

$2^3\times 7^1\times {\mathrm{569}}^1\times {\mathrm{977}}^1$

素因数の和:1559

約数の個数: 32

約数和(自身を含む): 66895200

約数和(自身を除く): 35764072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 569, 977, 1138, 1954, 2276, 3908, 3983, 4552, 6839, 7816, 7966, 13678, 15932, 27356, 31864, 54712, 555913, 1111826, 2223652, 3891391, 4447304, 7782782, 15565564, 31131128]

約数ペア:

[(1, 31131128), (2, 15565564), (4, 7782782), (7, 4447304), (8, 3891391), (14, 2223652), (28, 1111826), (56, 555913), (569, 54712), (977, 31864), (1138, 27356), (1954, 15932), (2276, 13678), (3908, 7966), (3983, 7816), (4552, 6839)]