7980779872

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{618857}}^1$

素因数の和:618911

約数の個数: 48

約数和(自身を含む): 17466648192

約数和(自身を除く): 9485868320

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 618857, 1237714, 2475428, 4950856, 8045141, 9901712, 16090282, 19184567, 19803424, 32180564, 38369134, 64361128, 76738268, 128722256, 153476536, 249399371, 257444512, 306953072, 498798742, 613906144, 997597484, 1995194968, 3990389936, 7980779872]

約数ペア:

[(1, 7980779872), (2, 3990389936), (4, 1995194968), (8, 997597484), (13, 613906144), (16, 498798742), (26, 306953072), (31, 257444512), (32, 249399371), (52, 153476536), (62, 128722256), (104, 76738268), (124, 64361128), (208, 38369134), (248, 32180564), (403, 19803424), (416, 19184567), (496, 16090282), (806, 9901712), (992, 8045141), (1612, 4950856), (3224, 2475428), (6448, 1237714), (12896, 618857)]