31280368

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12143}}^1$

素因数の和:12181

約数の個数: 40

約数和(自身を含む): 72281088

約数和(自身を除く): 41000720

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 12143, 24286, 48572, 85001, 97144, 170002, 194288, 279289, 340004, 558578, 680008, 1117156, 1360016, 1955023, 2234312, 3910046, 4468624, 7820092, 15640184, 31280368]

約数ペア:

[(1, 31280368), (2, 15640184), (4, 7820092), (7, 4468624), (8, 3910046), (14, 2234312), (16, 1955023), (23, 1360016), (28, 1117156), (46, 680008), (56, 558578), (92, 340004), (112, 279289), (161, 194288), (184, 170002), (322, 97144), (368, 85001), (644, 48572), (1288, 24286), (2576, 12143)]