198021485

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{4013}}^1$

素因数の和:4228

約数の個数: 16

約数和(自身を含む): 242766720

約数和(自身を除く): 44745235

約数列:

[1, 5, 71, 139, 355, 695, 4013, 9869, 20065, 49345, 284923, 557807, 1424615, 2789035, 39604297, 198021485]

約数ペア:

[(1, 198021485), (5, 39604297), (71, 2789035), (139, 1424615), (355, 557807), (695, 284923), (4013, 49345), (9869, 20065)]