261749166

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{152003}}^1$

素因数の和:152056

約数の個数: 32

約数和(自身を含む): 612880128

約数和(自身を除く): 351130962

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 287, 574, 861, 1722, 152003, 304006, 456009, 912018, 1064021, 2128042, 3192063, 6232123, 6384126, 12464246, 18696369, 37392738, 43624861, 87249722, 130874583, 261749166]

約数ペア:

[(1, 261749166), (2, 130874583), (3, 87249722), (6, 43624861), (7, 37392738), (14, 18696369), (21, 12464246), (41, 6384126), (42, 6232123), (82, 3192063), (123, 2128042), (246, 1064021), (287, 912018), (574, 456009), (861, 304006), (1722, 152003)]