218119979

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{166631}}^1$

素因数の和:166666

約数の個数: 16

約数和(自身を含む): 287940096

約数和(自身を除く): 69820117

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 166631, 1166417, 1832941, 2832727, 12830587, 19829089, 31159997, 218119979]

約数ペア:

[(1, 218119979), (7, 31159997), (11, 19829089), (17, 12830587), (77, 2832727), (119, 1832941), (187, 1166417), (1309, 166631)]