256577256

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{274121}}^1$

素因数の和:274146

約数の個数: 48

約数和(自身を含む): 748353060

約数和(自身を除く): 491775804

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 274121, 548242, 822363, 1096484, 1644726, 2192968, 2467089, 3289452, 3563573, 4934178, 6578904, 7127146, 9868356, 10690719, 14254292, 19736712, 21381438, 28508584, 32072157, 42762876, 64144314, 85525752, 128288628, 256577256]

約数ペア:

[(1, 256577256), (2, 128288628), (3, 85525752), (4, 64144314), (6, 42762876), (8, 32072157), (9, 28508584), (12, 21381438), (13, 19736712), (18, 14254292), (24, 10690719), (26, 9868356), (36, 7127146), (39, 6578904), (52, 4934178), (72, 3563573), (78, 3289452), (104, 2467089), (117, 2192968), (156, 1644726), (234, 1096484), (312, 822363), (468, 548242), (936, 274121)]