2018778784

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{80777}}^1$

素因数の和:80869

約数の個数: 48

約数和(自身を含む): 4396908096

約数和(自身を除く): 2378129312

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 71, 88, 142, 176, 284, 352, 568, 781, 1136, 1562, 2272, 3124, 6248, 12496, 24992, 80777, 161554, 323108, 646216, 888547, 1292432, 1777094, 2584864, 3554188, 5735167, 7108376, 11470334, 14216752, 22940668, 28433504, 45881336, 63086837, 91762672, 126173674, 183525344, 252347348, 504694696, 1009389392, 2018778784]

約数ペア:

[(1, 2018778784), (2, 1009389392), (4, 504694696), (8, 252347348), (11, 183525344), (16, 126173674), (22, 91762672), (32, 63086837), (44, 45881336), (71, 28433504), (88, 22940668), (142, 14216752), (176, 11470334), (284, 7108376), (352, 5735167), (568, 3554188), (781, 2584864), (1136, 1777094), (1562, 1292432), (2272, 888547), (3124, 646216), (6248, 323108), (12496, 161554), (24992, 80777)]