10989965

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1447}}^1$

素因数の和:1497

約数の個数: 24

約数和(自身を含む): 15846912

約数和(自身を除く): 4856947

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1447, 1519, 7235, 7595, 10129, 44857, 50645, 70903, 224285, 313999, 354515, 1569995, 2197993, 10989965]

約数ペア:

[(1, 10989965), (5, 2197993), (7, 1569995), (31, 354515), (35, 313999), (49, 224285), (155, 70903), (217, 50645), (245, 44857), (1085, 10129), (1447, 7595), (1519, 7235)]