215165990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1655123}}^1$

素因数の和:1655143

約数の個数: 16

約数和(自身を含む): 417091248

約数和(自身を除く): 201925258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1655123, 3310246, 8275615, 16551230, 21516599, 43033198, 107582995, 215165990]

約数ペア:

[(1, 215165990), (2, 107582995), (5, 43033198), (10, 21516599), (13, 16551230), (26, 8275615), (65, 3310246), (130, 1655123)]