81274622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 150958080

約数和(自身を除く): 69683458

約数列:

[1, 2, 11, 13, 22, 26, 31, 62, 89, 103, 143, 178, 206, 286, 341, 403, 682, 806, 979, 1133, 1157, 1339, 1958, 2266, 2314, 2678, 2759, 3193, 4433, 5518, 6386, 8866, 9167, 12727, 14729, 18334, 25454, 29458, 30349, 35123, 35867, 41509, 60698, 70246, 71734, 83018, 100837, 119171, 201674, 238342, 284177, 394537, 456599, 568354, 789074, 913198, 1310881, 2621762, 3125947, 3694301, 6251894, 7388602, 40637311, 81274622]

約数ペア:

[(1, 81274622), (2, 40637311), (11, 7388602), (13, 6251894), (22, 3694301), (26, 3125947), (31, 2621762), (62, 1310881), (89, 913198), (103, 789074), (143, 568354), (178, 456599), (206, 394537), (286, 284177), (341, 238342), (403, 201674), (682, 119171), (806, 100837), (979, 83018), (1133, 71734), (1157, 70246), (1339, 60698), (1958, 41509), (2266, 35867), (2314, 35123), (2678, 30349), (2759, 29458), (3193, 25454), (4433, 18334), (5518, 14729), (6386, 12727), (8866, 9167)]