219194101

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{107}}^1\times {\mathrm{431}}^1$

素因数の和:649

約数の個数: 24

約数和(自身を含む): 260620416

約数和(自身を除く): 41426315

約数列:

[1, 7, 49, 97, 107, 431, 679, 749, 3017, 4753, 5243, 10379, 21119, 41807, 46117, 72653, 292649, 322819, 508571, 2048543, 2259733, 4473349, 31313443, 219194101]

約数ペア:

[(1, 219194101), (7, 31313443), (49, 4473349), (97, 2259733), (107, 2048543), (431, 508571), (679, 322819), (749, 292649), (3017, 72653), (4753, 46117), (5243, 41807), (10379, 21119)]