131221008

素因数分解:

$2^4\times 3^2\times {\mathrm{83}}^1\times {\mathrm{10979}}^1$

素因数の和:11076

約数の個数: 60

約数和(自身を含む): 371694960

約数和(自身を除く): 240473952

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 83, 144, 166, 249, 332, 498, 664, 747, 996, 1328, 1494, 1992, 2988, 3984, 5976, 10979, 11952, 21958, 32937, 43916, 65874, 87832, 98811, 131748, 175664, 197622, 263496, 395244, 526992, 790488, 911257, 1580976, 1822514, 2733771, 3645028, 5467542, 7290056, 8201313, 10935084, 14580112, 16402626, 21870168, 32805252, 43740336, 65610504, 131221008]

約数ペア:

[(1, 131221008), (2, 65610504), (3, 43740336), (4, 32805252), (6, 21870168), (8, 16402626), (9, 14580112), (12, 10935084), (16, 8201313), (18, 7290056), (24, 5467542), (36, 3645028), (48, 2733771), (72, 1822514), (83, 1580976), (144, 911257), (166, 790488), (249, 526992), (332, 395244), (498, 263496), (664, 197622), (747, 175664), (996, 131748), (1328, 98811), (1494, 87832), (1992, 65874), (2988, 43916), (3984, 32937), (5976, 21958), (10979, 11952)]