289489732

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{219977}}^1$

素因数の和:220035

約数の個数: 24

約数和(自身を含む): 591300864

約数和(自身を除く): 301811132

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 219977, 439954, 879908, 1539839, 3079678, 6159356, 10338919, 20677838, 41355676, 72372433, 144744866, 289489732]

約数ペア:

[(1, 289489732), (2, 144744866), (4, 72372433), (7, 41355676), (14, 20677838), (28, 10338919), (47, 6159356), (94, 3079678), (188, 1539839), (329, 879908), (658, 439954), (1316, 219977)]