72980138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15287}}^1$

素因数の和:15338

約数の個数: 32

約数和(自身を含む): 140894208

約数和(自身を除く): 67914070

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 434, 682, 2387, 4774, 15287, 30574, 107009, 168157, 214018, 336314, 473897, 947794, 1177099, 2354198, 3317279, 5212867, 6634558, 10425734, 36490069, 72980138]

約数ペア:

[(1, 72980138), (2, 36490069), (7, 10425734), (11, 6634558), (14, 5212867), (22, 3317279), (31, 2354198), (62, 1177099), (77, 947794), (154, 473897), (217, 336314), (341, 214018), (434, 168157), (682, 107009), (2387, 30574), (4774, 15287)]