2019281131

素因数分解:

$7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{11171}}^1$

素因数の和:11240

約数の個数: 32

約数和(自身を含む): 2574028800

約数和(自身を除く): 554747669

約数列:

[1, 7, 17, 31, 49, 119, 217, 343, 527, 833, 1519, 3689, 5831, 10633, 11171, 25823, 78197, 180761, 189907, 346301, 547379, 1329349, 2424107, 3831653, 5887117, 9305443, 16968749, 41209819, 65138101, 118781243, 288468733, 2019281131]

約数ペア:

[(1, 2019281131), (7, 288468733), (17, 118781243), (31, 65138101), (49, 41209819), (119, 16968749), (217, 9305443), (343, 5887117), (527, 3831653), (833, 2424107), (1519, 1329349), (3689, 547379), (5831, 346301), (10633, 189907), (11171, 180761), (25823, 78197)]