138908

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1$

素因数の和:74

約数の個数: 36

約数和(自身を含む): 312816

約数和(自身を除く): 173908

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 121, 154, 164, 242, 287, 308, 451, 484, 574, 847, 902, 1148, 1694, 1804, 3157, 3388, 4961, 6314, 9922, 12628, 19844, 34727, 69454, 138908]

約数ペア:

[(1, 138908), (2, 69454), (4, 34727), (7, 19844), (11, 12628), (14, 9922), (22, 6314), (28, 4961), (41, 3388), (44, 3157), (77, 1804), (82, 1694), (121, 1148), (154, 902), (164, 847), (242, 574), (287, 484), (308, 451)]