145506812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 285314400

約数和(自身を除く): 139807588

約数列:

[1, 2, 4, 11, 22, 44, 73, 89, 146, 178, 292, 356, 509, 803, 979, 1018, 1606, 1958, 2036, 3212, 3916, 5599, 6497, 11198, 12994, 22396, 25988, 37157, 45301, 71467, 74314, 90602, 142934, 148628, 181204, 285868, 408727, 498311, 817454, 996622, 1634908, 1993244, 3306973, 6613946, 13227892, 36376703, 72753406, 145506812]

約数ペア:

[(1, 145506812), (2, 72753406), (4, 36376703), (11, 13227892), (22, 6613946), (44, 3306973), (73, 1993244), (89, 1634908), (146, 996622), (178, 817454), (292, 498311), (356, 408727), (509, 285868), (803, 181204), (979, 148628), (1018, 142934), (1606, 90602), (1958, 74314), (2036, 71467), (3212, 45301), (3916, 37157), (5599, 25988), (6497, 22396), (11198, 12994)]