172227863486

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{647473171}}^1$

素因数の和:647473199

約数の個数: 16

約数和(自身を含む): 310787122560

約数和(自身を除く): 138559259074

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 647473171, 1294946342, 4532312197, 9064624394, 12301990249, 24603980498, 86113931743, 172227863486]

約数ペア:

[(1, 172227863486), (2, 86113931743), (7, 24603980498), (14, 12301990249), (19, 9064624394), (38, 4532312197), (133, 1294946342), (266, 647473171)]