209420939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{22343}}^1$

素因数の和:22466

約数の個数: 16

約数和(自身を含む): 260262912

約数和(自身を除く): 50841973

約数列:

[1, 7, 13, 91, 103, 721, 1339, 9373, 22343, 156401, 290459, 2033213, 2301329, 16109303, 29917277, 209420939]

約数ペア:

[(1, 209420939), (7, 29917277), (13, 16109303), (91, 2301329), (103, 2033213), (721, 290459), (1339, 156401), (9373, 22343)]