213204551

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{10463}}^1$

素因数の和:10582

約数の個数: 16

約数和(自身を含む): 253145088

約数和(自身を除く): 39940537

約数列:

[1, 7, 41, 71, 287, 497, 2911, 10463, 20377, 73241, 428983, 742873, 3002881, 5200111, 30457793, 213204551]

約数ペア:

[(1, 213204551), (7, 30457793), (41, 5200111), (71, 3002881), (287, 742873), (497, 428983), (2911, 73241), (10463, 20377)]