209717638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1$

素因数の和:1132

約数の個数: 32

約数和(自身を含む): 346832640

約数和(自身を除く): 137115002

約数列:

[1, 2, 13, 26, 67, 131, 134, 262, 871, 919, 1703, 1742, 1838, 3406, 8777, 11947, 17554, 23894, 61573, 114101, 120389, 123146, 228202, 240778, 800449, 1565057, 1600898, 3130114, 8066063, 16132126, 104858819, 209717638]

約数ペア:

[(1, 209717638), (2, 104858819), (13, 16132126), (26, 8066063), (67, 3130114), (131, 1600898), (134, 1565057), (262, 800449), (871, 240778), (919, 228202), (1703, 123146), (1742, 120389), (1838, 114101), (3406, 61573), (8777, 23894), (11947, 17554)]