31128984

素因数分解:

$2^3\times 3^2\times {\mathrm{83}}^1\times {\mathrm{5209}}^1$

素因数の和:5304

約数の個数: 48

約数和(自身を含む): 85339800

約数和(自身を除く): 54210816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 83, 166, 249, 332, 498, 664, 747, 996, 1494, 1992, 2988, 5209, 5976, 10418, 15627, 20836, 31254, 41672, 46881, 62508, 93762, 125016, 187524, 375048, 432347, 864694, 1297041, 1729388, 2594082, 3458776, 3891123, 5188164, 7782246, 10376328, 15564492, 31128984]

約数ペア:

[(1, 31128984), (2, 15564492), (3, 10376328), (4, 7782246), (6, 5188164), (8, 3891123), (9, 3458776), (12, 2594082), (18, 1729388), (24, 1297041), (36, 864694), (72, 432347), (83, 375048), (166, 187524), (249, 125016), (332, 93762), (498, 62508), (664, 46881), (747, 41672), (996, 31254), (1494, 20836), (1992, 15627), (2988, 10418), (5209, 5976)]