217870982

素因数分解:

$2^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{213181}}^1$

素因数の和:213263

約数の個数: 16

約数和(自身を含む): 378611232

約数和(自身を除く): 160740250

約数列:

[1, 2, 7, 14, 73, 146, 511, 1022, 213181, 426362, 1492267, 2984534, 15562213, 31124426, 108935491, 217870982]

約数ペア:

[(1, 217870982), (2, 108935491), (7, 31124426), (14, 15562213), (73, 2984534), (146, 1492267), (511, 426362), (1022, 213181)]