199405969

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1\times {\mathrm{1787}}^1$

素因数の和:2652

約数の個数: 16

約数和(自身を含む): 240307200

約数和(自身を除く): 40901231

約数列:

[1, 7, 19, 133, 839, 1787, 5873, 12509, 15941, 33953, 111587, 237671, 1499293, 10495051, 28486567, 199405969]

約数ペア:

[(1, 199405969), (7, 28486567), (19, 10495051), (133, 1499293), (839, 237671), (1787, 111587), (5873, 33953), (12509, 15941)]