721567496

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{28789}}^1$

素因数の和:29049

約数の個数: 32

約数和(自身を含む): 1463107800

約数和(自身を除く): 741540304

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 241, 482, 964, 1928, 3133, 6266, 12532, 25064, 28789, 57578, 115156, 230312, 374257, 748514, 1497028, 2994056, 6938149, 13876298, 27752596, 55505192, 90195937, 180391874, 360783748, 721567496]

約数ペア:

[(1, 721567496), (2, 360783748), (4, 180391874), (8, 90195937), (13, 55505192), (26, 27752596), (52, 13876298), (104, 6938149), (241, 2994056), (482, 1497028), (964, 748514), (1928, 374257), (3133, 230312), (6266, 115156), (12532, 57578), (25064, 28789)]