1489664561

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1\times {\mathrm{523}}^1$

素因数の和:1133

約数の個数: 32

約数和(自身を含む): 1890625536

約数和(自身を除く): 400960975

約数列:

[1, 7, 11, 71, 77, 497, 521, 523, 781, 3647, 3661, 5467, 5731, 5753, 36991, 37133, 40117, 40271, 258937, 259931, 272483, 406901, 408463, 1907381, 2848307, 2859241, 2997313, 19346293, 20981191, 135424051, 212809223, 1489664561]

約数ペア:

[(1, 1489664561), (7, 212809223), (11, 135424051), (71, 20981191), (77, 19346293), (497, 2997313), (521, 2859241), (523, 2848307), (781, 1907381), (3647, 408463), (3661, 406901), (5467, 272483), (5731, 259931), (5753, 258937), (36991, 40271), (37133, 40117)]