219702928

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{17627}}^1$

素因数の和:17695

約数の個数: 40

約数和(自身を含む): 459033120

約数和(自身を除く): 239330192

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 152, 164, 304, 328, 656, 779, 1558, 3116, 6232, 12464, 17627, 35254, 70508, 141016, 282032, 334913, 669826, 722707, 1339652, 1445414, 2679304, 2890828, 5358608, 5781656, 11563312, 13731433, 27462866, 54925732, 109851464, 219702928]

約数ペア:

[(1, 219702928), (2, 109851464), (4, 54925732), (8, 27462866), (16, 13731433), (19, 11563312), (38, 5781656), (41, 5358608), (76, 2890828), (82, 2679304), (152, 1445414), (164, 1339652), (304, 722707), (328, 669826), (656, 334913), (779, 282032), (1558, 141016), (3116, 70508), (6232, 35254), (12464, 17627)]