261445392

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139661}}^1$

素因数の和:139688

約数の個数: 60

約数和(自身を含む): 787973004

約数和(自身を除く): 526527612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 139661, 279322, 418983, 558644, 837966, 1117288, 1256949, 1675932, 1815593, 2234576, 2513898, 3351864, 3631186, 5027796, 5446779, 6703728, 7262372, 10055592, 10893558, 14524744, 16340337, 20111184, 21787116, 29049488, 32680674, 43574232, 65361348, 87148464, 130722696, 261445392]

約数ペア:

[(1, 261445392), (2, 130722696), (3, 87148464), (4, 65361348), (6, 43574232), (8, 32680674), (9, 29049488), (12, 21787116), (13, 20111184), (16, 16340337), (18, 14524744), (24, 10893558), (26, 10055592), (36, 7262372), (39, 6703728), (48, 5446779), (52, 5027796), (72, 3631186), (78, 3351864), (104, 2513898), (117, 2234576), (144, 1815593), (156, 1675932), (208, 1256949), (234, 1117288), (312, 837966), (468, 558644), (624, 418983), (936, 279322), (1872, 139661)]