212970905

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{45751}}^1$

素因数の和:45789

約数の個数: 24

約数和(自身を含む): 312943680

約数和(自身を除く): 99972775

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 665, 931, 4655, 45751, 228755, 320257, 869269, 1601285, 2241799, 4346345, 6084883, 11208995, 30424415, 42594181, 212970905]

約数ペア:

[(1, 212970905), (5, 42594181), (7, 30424415), (19, 11208995), (35, 6084883), (49, 4346345), (95, 2241799), (133, 1601285), (245, 869269), (665, 320257), (931, 228755), (4655, 45751)]