156949904

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{70571}}^1$

素因数の和:70718

約数の個数: 20

約数和(自身を含む): 306282480

約数和(自身を除く): 149332576

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 70571, 141142, 282284, 564568, 1129136, 9809369, 19618738, 39237476, 78474952, 156949904]

約数ペア:

[(1, 156949904), (2, 78474952), (4, 39237476), (8, 19618738), (16, 9809369), (139, 1129136), (278, 564568), (556, 282284), (1112, 141142), (2224, 70571)]