78677008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{1249}}^1$

素因数の和:1415

約数の個数: 40

約数和(自身を含む): 158720000

約数和(自身を除く): 80042992

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 127, 248, 254, 496, 508, 1016, 1249, 2032, 2498, 3937, 4996, 7874, 9992, 15748, 19984, 31496, 38719, 62992, 77438, 154876, 158623, 309752, 317246, 619504, 634492, 1268984, 2537968, 4917313, 9834626, 19669252, 39338504, 78677008]

約数ペア:

[(1, 78677008), (2, 39338504), (4, 19669252), (8, 9834626), (16, 4917313), (31, 2537968), (62, 1268984), (124, 634492), (127, 619504), (248, 317246), (254, 309752), (496, 158623), (508, 154876), (1016, 77438), (1249, 62992), (2032, 38719), (2498, 31496), (3937, 19984), (4996, 15748), (7874, 9992)]