81916376

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{4493}}^1$

素因数の和:4595

約数の個数: 32

約数和(自身を含む): 160166160

約数和(自身を除く): 78249784

約数列:

[1, 2, 4, 8, 43, 53, 86, 106, 172, 212, 344, 424, 2279, 4493, 4558, 8986, 9116, 17972, 18232, 35944, 193199, 238129, 386398, 476258, 772796, 952516, 1545592, 1905032, 10239547, 20479094, 40958188, 81916376]

約数ペア:

[(1, 81916376), (2, 40958188), (4, 20479094), (8, 10239547), (43, 1905032), (53, 1545592), (86, 952516), (106, 772796), (172, 476258), (212, 386398), (344, 238129), (424, 193199), (2279, 35944), (4493, 18232), (4558, 17972), (8986, 9116)]