1980257831258

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{256709597}}^1$

素因数の和:256709654

約数の個数: 32

約数和(自身を含む): 3696618211200

約数和(自身を除く): 1716360379942

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 3857, 7714, 256709597, 513419194, 1796967179, 3593934358, 4877482343, 7444578313, 9754964686, 14889156626, 34142376401, 52112048191, 68284752802, 104224096382, 141446987947, 282893975894, 990128915629, 1980257831258]

約数ペア:

[(1, 1980257831258), (2, 990128915629), (7, 282893975894), (14, 141446987947), (19, 104224096382), (29, 68284752802), (38, 52112048191), (58, 34142376401), (133, 14889156626), (203, 9754964686), (266, 7444578313), (406, 4877482343), (551, 3593934358), (1102, 1796967179), (3857, 513419194), (7714, 256709597)]