128436828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{5051}}^1$

素因数の和:5234

約数の個数: 48

約数和(自身を含む): 324782976

約数和(自身を除く): 196346148

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 489, 652, 978, 1956, 2119, 4238, 5051, 6357, 8476, 10102, 12714, 15153, 20204, 25428, 30306, 60612, 65663, 131326, 196989, 262652, 393978, 787956, 823313, 1646626, 2469939, 3293252, 4939878, 9879756, 10703069, 21406138, 32109207, 42812276, 64218414, 128436828]

約数ペア:

[(1, 128436828), (2, 64218414), (3, 42812276), (4, 32109207), (6, 21406138), (12, 10703069), (13, 9879756), (26, 4939878), (39, 3293252), (52, 2469939), (78, 1646626), (156, 823313), (163, 787956), (326, 393978), (489, 262652), (652, 196989), (978, 131326), (1956, 65663), (2119, 60612), (4238, 30306), (5051, 25428), (6357, 20204), (8476, 15153), (10102, 12714)]