38909521

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 45497088

約数和(自身を除く): 6587567

約数列:

[1, 7, 61, 293, 311, 427, 2051, 2177, 17873, 18971, 91123, 125111, 132797, 637861, 5558503, 38909521]

約数ペア:

[(1, 38909521), (7, 5558503), (61, 637861), (293, 132797), (311, 125111), (427, 91123), (2051, 18971), (2177, 17873)]