31855712

素因数分解:

$2^5\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2091

約数の個数: 48

約数和(自身を含む): 72721152

約数和(自身を除く): 40865440

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 71, 112, 142, 224, 284, 497, 568, 994, 1136, 1988, 2003, 2272, 3976, 4006, 7952, 8012, 14021, 15904, 16024, 28042, 32048, 56084, 64096, 112168, 142213, 224336, 284426, 448672, 568852, 995491, 1137704, 1990982, 2275408, 3981964, 4550816, 7963928, 15927856, 31855712]

約数ペア:

[(1, 31855712), (2, 15927856), (4, 7963928), (7, 4550816), (8, 3981964), (14, 2275408), (16, 1990982), (28, 1137704), (32, 995491), (56, 568852), (71, 448672), (112, 284426), (142, 224336), (224, 142213), (284, 112168), (497, 64096), (568, 56084), (994, 32048), (1136, 28042), (1988, 16024), (2003, 15904), (2272, 14021), (3976, 8012), (4006, 7952)]