200389903

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{21221}}^1$

素因数の和:21318

約数の個数: 16

約数和(自身を含む): 244477440

約数和(自身を除く): 44087537

約数列:

[1, 7, 19, 71, 133, 497, 1349, 9443, 21221, 148547, 403199, 1506691, 2822393, 10546837, 28627129, 200389903]

約数ペア:

[(1, 200389903), (7, 28627129), (19, 10546837), (71, 2822393), (133, 1506691), (497, 403199), (1349, 148547), (9443, 21221)]