131449904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{432401}}^1$

素因数の和:432428

約数の個数: 20

約数和(自身を含む): 268089240

約数和(自身を除く): 136639336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 432401, 864802, 1729604, 3459208, 6918416, 8215619, 16431238, 32862476, 65724952, 131449904]

約数ペア:

[(1, 131449904), (2, 65724952), (4, 32862476), (8, 16431238), (16, 8215619), (19, 6918416), (38, 3459208), (76, 1729604), (152, 864802), (304, 432401)]