81905616

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43753}}^1$

素因数の和:43780

約数の個数: 60

約数和(自身を含む): 246860068

約数和(自身を除く): 164954452

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, 43753, 87506, 131259, 175012, 262518, 350024, 393777, 525036, 568789, 700048, 787554, 1050072, 1137578, 1575108, 1706367, 2100144, 2275156, 3150216, 3412734, 4550312, 5119101, 6300432, 6825468, 9100624, 10238202, 13650936, 20476404, 27301872, 40952808, 81905616]

約数ペア:

[(1, 81905616), (2, 40952808), (3, 27301872), (4, 20476404), (6, 13650936), (8, 10238202), (9, 9100624), (12, 6825468), (13, 6300432), (16, 5119101), (18, 4550312), (24, 3412734), (26, 3150216), (36, 2275156), (39, 2100144), (48, 1706367), (52, 1575108), (72, 1137578), (78, 1050072), (104, 787554), (117, 700048), (144, 568789), (156, 525036), (208, 393777), (234, 350024), (312, 262518), (468, 175012), (624, 131259), (936, 87506), (1872, 43753)]