1998870559

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1\times {\mathrm{20219}}^1$

素因数の和:20742

約数の個数: 16

約数和(自身を含む): 2368166400

約数和(自身を除く): 369295841

約数列:

[1, 7, 29, 203, 487, 3409, 14123, 20219, 98861, 141533, 586351, 4104457, 9846653, 68926571, 285552937, 1998870559]

約数ペア:

[(1, 1998870559), (7, 285552937), (29, 68926571), (203, 9846653), (487, 4104457), (3409, 586351), (14123, 141533), (20219, 98861)]