81592688

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{1123}}^1$

素因数の和:1389

約数の個数: 40

約数和(自身を含む): 167251200

約数和(自身を除く): 85658512

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 304, 478, 956, 1123, 1912, 2246, 3824, 4492, 4541, 8984, 9082, 17968, 18164, 21337, 36328, 42674, 72656, 85348, 170696, 268397, 341392, 536794, 1073588, 2147176, 4294352, 5099543, 10199086, 20398172, 40796344, 81592688]

約数ペア:

[(1, 81592688), (2, 40796344), (4, 20398172), (8, 10199086), (16, 5099543), (19, 4294352), (38, 2147176), (76, 1073588), (152, 536794), (239, 341392), (304, 268397), (478, 170696), (956, 85348), (1123, 72656), (1912, 42674), (2246, 36328), (3824, 21337), (4492, 18164), (4541, 17968), (8984, 9082)]