12820577

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:221

約数の個数: 32

約数和(自身を含む): 17031168

約数和(自身を除く): 4210591

約数列:

[1, 7, 11, 31, 41, 77, 131, 217, 287, 341, 451, 917, 1271, 1441, 2387, 3157, 4061, 5371, 8897, 10087, 13981, 28427, 37597, 44671, 59081, 97867, 166501, 312697, 413567, 1165507, 1831511, 12820577]

約数ペア:

[(1, 12820577), (7, 1831511), (11, 1165507), (31, 413567), (41, 312697), (77, 166501), (131, 97867), (217, 59081), (287, 44671), (341, 37597), (451, 28427), (917, 13981), (1271, 10087), (1441, 8897), (2387, 5371), (3157, 4061)]