81123994

素因数分解:

$2^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1789}}^1$

素因数の和:1918

約数の個数: 32

約数和(自身を含む): 144345600

約数和(自身を除く): 63221606

約数列:

[1, 2, 7, 14, 41, 79, 82, 158, 287, 553, 574, 1106, 1789, 3239, 3578, 6478, 12523, 22673, 25046, 45346, 73349, 141331, 146698, 282662, 513443, 989317, 1026886, 1978634, 5794571, 11589142, 40561997, 81123994]

約数ペア:

[(1, 81123994), (2, 40561997), (7, 11589142), (14, 5794571), (41, 1978634), (79, 1026886), (82, 989317), (158, 513443), (287, 282662), (553, 146698), (574, 141331), (1106, 73349), (1789, 45346), (3239, 25046), (3578, 22673), (6478, 12523)]