25684988

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{233}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 53673984

約数和(自身を除く): 27988996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 233, 254, 434, 466, 508, 868, 889, 932, 1631, 1778, 3262, 3556, 3937, 6524, 7223, 7874, 14446, 15748, 27559, 28892, 29591, 50561, 55118, 59182, 101122, 110236, 118364, 202244, 207137, 414274, 828548, 917321, 1834642, 3669284, 6421247, 12842494, 25684988]

約数ペア:

[(1, 25684988), (2, 12842494), (4, 6421247), (7, 3669284), (14, 1834642), (28, 917321), (31, 828548), (62, 414274), (124, 207137), (127, 202244), (217, 118364), (233, 110236), (254, 101122), (434, 59182), (466, 55118), (508, 50561), (868, 29591), (889, 28892), (932, 27559), (1631, 15748), (1778, 14446), (3262, 7874), (3556, 7223), (3937, 6524)]